/* ============================================
   Thiago Dias Personal - Premium Dark Theme
   Glassmorphism + Glow + Blur Effects
   ============================================ */

/* ---- Reset & Variables ---- */
:root {
    --primary: #FF6B00;
    --primary-light: #FF8C38;
    --primary-dark: #E05E00;
    --primary-glow: rgba(255, 107, 0, 0.25);
    --primary-glow-strong: rgba(255, 107, 0, 0.5);
    --bg-dark: #050507;
    --bg-body: #0a0a0f;
    --bg-card: rgba(18, 18, 28, 0.7);
    --bg-card-solid: #12121c;
    --bg-card-hover: rgba(25, 25, 40, 0.8);
    --bg-input: rgba(20, 20, 35, 0.8);
    --bg-sidebar: rgba(8, 8, 16, 0.95);
    --bg-glass: rgba(16, 16, 28, 0.6);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #5a5a72;
    --border: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(255, 107, 0, 0.2);
    --success: #00E676;
    --success-bg: rgba(0, 230, 118, 0.1);
    --warning: #FFAB00;
    --warning-bg: rgba(255, 171, 0, 0.1);
    --danger: #FF1744;
    --danger-bg: rgba(255, 23, 68, 0.1);
    --info: #448AFF;
    --info-bg: rgba(68, 138, 255, 0.1);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 50px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(255, 107, 0, 0.15);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255,255,255,0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --blur: blur(20px);
    --blur-lg: blur(40px);
    --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
}

a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; }

h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--text-primary); }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-center { text-align: center; }
.accent { color: var(--primary); }
.gradient-text {
    background: linear-gradient(135deg, #fff 20%, var(--primary) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    font-family: var(--font);
    letter-spacing: 0.01em;
}
.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}
.btn:hover::before { opacity: 1; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 2px 10px rgba(255,107,0,0.3);
}
.btn-primary:hover { box-shadow: 0 4px 25px rgba(255,107,0,0.5); color: white; }

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    backdrop-filter: var(--blur);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); color: white; border-color: rgba(255,255,255,0.15); }

.btn-success { background: linear-gradient(135deg, var(--success), #00c853); color: #000; }
.btn-danger { background: linear-gradient(135deg, var(--danger), #d50000); color: white; }

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: white; box-shadow: var(--shadow-glow); }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--primary); border-color: var(--primary); background: rgba(255,107,0,0.05); }

.btn-sm { padding: 7px 14px; font-size: 0.8rem; border-radius: 8px; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }
.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; }

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }
.form-label, .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
    font-family: var(--font);
    backdrop-filter: blur(10px);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow), 0 0 20px rgba(255,107,0,0.1);
    background: rgba(20, 20, 35, 0.95);
}
.form-control::placeholder { color: var(--text-muted); }
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a0a0b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}
textarea.form-control { resize: vertical; min-height: 100px; }
.form-check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.form-check input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---- Glass Cards ---- */
.card {
    background: var(--bg-card);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    position: relative;
    z-index: 1;
}
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}
.card:hover { border-color: var(--border-light); }
.card-glow { border-color: var(--border-glow); box-shadow: var(--shadow-card), var(--shadow-glow); }

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.card-header h3 { font-size: 1.05rem; }

/* ---- Stats ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}
.stat-card {
    background: var(--bg-card);
    backdrop-filter: var(--blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content: '';
    position: absolute;
    top: -50%; right: -50%;
    width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(255,107,0,0.04) 0%, transparent 70%);
    pointer-events: none;
}
.stat-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-card), 0 0 30px rgba(255,107,0,0.1);
    transform: translateY(-2px);
}
.stat-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; flex-shrink: 0;
}
.stat-icon i { font-size: 1.2rem; }
.stat-icon.orange { background: rgba(255,107,0,0.12); color: var(--primary); border: 1px solid rgba(255,107,0,0.15); }
.stat-icon.green { background: rgba(0,230,118,0.1); color: var(--success); border: 1px solid rgba(0,230,118,0.12); }
.stat-icon.red { background: rgba(255,23,68,0.1); color: var(--danger); border: 1px solid rgba(255,23,68,0.12); }
.stat-icon.blue { background: rgba(68,138,255,0.1); color: var(--info); border: 1px solid rgba(68,138,255,0.12); }
.stat-icon.yellow { background: rgba(255,171,0,0.1); color: var(--warning); border: 1px solid rgba(255,171,0,0.12); }
.stat-info h4 { font-size: 1.6rem; font-weight: 800; margin-bottom: 2px; }
.stat-info p { font-size: 0.8rem; color: var(--text-muted); }

/* ---- Tables ---- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    backdrop-filter: var(--blur);
    box-shadow: var(--shadow-card);
}
table { width: 100%; border-collapse: collapse; }
thead th {
    background: rgba(255,255,255,0.02);
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border-bottom: 1px solid var(--border);
}
tbody td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
tbody tr { transition: var(--transition-fast); }
tbody tr:hover { background: rgba(255,255,255,0.02); }
tbody tr:last-child td { border-bottom: none; }

/* ---- Badges ---- */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 12px; border-radius: 20px;
    font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.badge-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(0,230,118,0.15); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(255,171,0,0.15); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(255,23,68,0.15); }
.badge-info { background: var(--info-bg); color: var(--info); border: 1px solid rgba(68,138,255,0.15); }
.badge-primary { background: rgba(255,107,0,0.1); color: var(--primary); border: 1px solid rgba(255,107,0,0.15); }

/* ---- Modal ---- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000; opacity: 0; visibility: hidden;
    transition: var(--transition); padding: 20px;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal {
    background: var(--bg-card-solid);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    width: 100%; max-width: 600px; max-height: 85vh; overflow-y: auto;
    transform: scale(0.92) translateY(20px);
    transition: var(--transition);
    box-shadow: 0 25px 80px rgba(0,0,0,0.5);
}
.modal-overlay.active .modal { transform: scale(1) translateY(0); }
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1.15rem; }
.modal-close {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 1.2rem; cursor: pointer;
    padding: 6px 10px; border-radius: 8px;
    transition: var(--transition);
}
.modal-close:hover { color: var(--danger); border-color: var(--danger); background: var(--danger-bg); }
.modal-body { padding: 24px; }
.modal-footer { display: flex; gap: 12px; justify-content: flex-end; padding: 16px 24px; border-top: 1px solid var(--border); }

/* ---- Layout ---- */
.app-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 270px;
    background: var(--bg-sidebar);
    backdrop-filter: var(--blur-lg);
    border-right: 1px solid var(--border);
    position: fixed; top: 0; left: 0; height: 100vh;
    overflow-y: auto; z-index: 100;
    transition: var(--transition);
}
.sidebar-header { padding: 28px 24px; border-bottom: 1px solid var(--border); text-align: center; }
.sidebar-header .logo { font-size: 1.4rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.02em; }
.sidebar-header .logo span { color: var(--primary); }
.sidebar-header small { color: var(--text-muted); font-size: 0.72rem; display: block; margin-top: 4px; letter-spacing: 0.15em; text-transform: uppercase; }
.sidebar-nav { padding: 16px 12px; }
.sidebar-nav .nav-section { font-size: 0.65rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.5px; padding: 20px 14px 8px; }
.nav-link {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 16px; border-radius: var(--radius-sm);
    color: var(--text-secondary); font-size: 0.88rem; font-weight: 500;
    transition: var(--transition); margin-bottom: 2px; position: relative;
}
.nav-link:hover { background: rgba(255,255,255,0.04); color: var(--text-primary); }
.nav-link.active {
    background: linear-gradient(135deg, rgba(255,107,0,0.15), rgba(255,107,0,0.05));
    color: var(--primary);
    border: 1px solid rgba(255,107,0,0.15);
}
.nav-link.active::before {
    content: ''; position: absolute; left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 20px;
    background: var(--primary);
    border-radius: 0 4px 4px 0;
}
.nav-link .nav-icon, .nav-link i { font-size: 1rem; width: 22px; text-align: center; opacity: 0.8; }
.nav-link.active i { opacity: 1; }
.sidebar-footer { padding: 16px; border-top: 1px solid var(--border); margin-top: auto; }
.main-content { flex: 1; margin-left: 270px; min-height: 100vh; position: relative; }
.topbar {
    position: sticky; top: 0;
    background: rgba(10,10,15,0.8);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--border);
    padding: 16px 30px;
    display: flex; align-items: center; justify-content: space-between;
    z-index: 50;
}
.topbar h2 { font-size: 1.2rem; font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-right .notification-btn {
    position: relative;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 1rem; cursor: pointer;
    padding: 8px 10px; border-radius: 10px;
    transition: var(--transition);
}
.topbar-right .notification-btn:hover { color: var(--primary); border-color: var(--border-glow); }
.notification-badge {
    position: absolute; top: -4px; right: -4px;
    background: var(--danger); color: white;
    font-size: 0.6rem; width: 18px; height: 18px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-weight: 700; box-shadow: 0 2px 8px rgba(255,23,68,0.4);
}
.user-menu {
    display: flex; align-items: center; gap: 10px;
    cursor: pointer; padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}
.user-menu:hover { background: rgba(255,255,255,0.03); border-color: var(--border); }
.user-avatar {
    width: 34px; height: 34px; border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.8rem; color: white;
    box-shadow: 0 2px 10px rgba(255,107,0,0.2);
}
.user-name { font-size: 0.85rem; font-weight: 600; }
.page-content { padding: 30px; }

.sidebar-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.2rem; cursor: pointer;
    padding: 6px 10px; border-radius: 8px;
    transition: var(--transition);
}
.sidebar-toggle:hover { border-color: var(--primary); color: var(--primary); }

/* ---- Landing ---- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    padding: 16px 48px;
    display: flex; align-items: center; justify-content: space-between;
    z-index: 1000;
    background: rgba(5,5,10,0.6);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.navbar.scrolled { border-bottom-color: var(--border); background: rgba(5,5,10,0.9); }
.navbar .logo { font-size: 1.3rem; font-weight: 800; color: var(--text-primary); }
.navbar .logo span { color: var(--primary); }
.navbar-links { display: flex; align-items: center; gap: 32px; }
.navbar-links a { color: var(--text-secondary); font-weight: 500; font-size: 0.88rem; }
.navbar-links a:hover { color: var(--primary); }
.mobile-menu-btn { display: none; background: none; border: 1px solid var(--border); color: white; font-size: 1.3rem; cursor: pointer; padding: 6px 10px; border-radius: 8px; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
    background: var(--bg-dark);
}
.hero::before {
    content: '';
    position: absolute;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(255,107,0,0.12) 0%, transparent 60%);
    top: -300px; right: -200px;
    pointer-events: none;
    animation: float 12s ease-in-out infinite;
}
.hero::after {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(255,107,0,0.06) 0%, transparent 50%);
    bottom: -200px; left: -100px;
    pointer-events: none;
    animation: float 15s ease-in-out infinite reverse;
}
@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -40px); }
    66% { transform: translate(-20px, 20px); }
}
.hero-grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,107,0,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,107,0,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 30%, transparent 100%);
}
.hero-content { text-align: center; padding: 40px 20px; max-width: 850px; z-index: 2; position: relative; }
.hero-subtitle {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,107,0,0.08);
    border: 1px solid rgba(255,107,0,0.15);
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 0.85rem; color: var(--primary);
    margin-bottom: 28px; font-weight: 600;
    backdrop-filter: blur(10px);
}
.hero-content h1 { font-size: 3.8rem; font-weight: 900; margin-bottom: 24px; line-height: 1.1; letter-spacing: -0.03em; }
.hero-content p { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; justify-content: center; margin-top: 60px; padding-top: 40px; border-top: 1px solid var(--border); }
.hero-stat { text-align: center; }
.hero-stat h3 { font-size: 2rem; color: var(--primary); font-weight: 800; margin-bottom: 4px; }
.hero-stat p { font-size: 0.85rem; color: var(--text-muted); }

/* Sections */
.section { padding: 100px 48px; position: relative; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 16px; font-weight: 800; letter-spacing: -0.02em; }
.section-header p { color: var(--text-secondary); font-size: 1.05rem; max-width: 550px; margin: 0 auto; }
.section-dark { background: rgba(10,10,18,0.5); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; max-width: 1200px; margin: 0 auto; }
.feature-card {
    background: var(--bg-card); backdrop-filter: var(--blur);
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 32px; transition: var(--transition);
    box-shadow: var(--shadow-card); position: relative; overflow: hidden;
}
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, transparent, var(--primary), transparent); opacity: 0; transition: var(--transition); }
.feature-card:hover { border-color: var(--border-glow); transform: translateY(-4px); }
.feature-card:hover::before { opacity: 1; }
.feature-card .icon {
    width: 56px; height: 56px; border-radius: 14px;
    background: rgba(255,107,0,0.08); border: 1px solid rgba(255,107,0,0.1);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; margin-bottom: 20px; color: var(--primary);
}
.feature-card .icon i { font-size: 1.3rem; color: var(--primary); }
.feature-card h3 { margin-bottom: 10px; font-size: 1.08rem; }
.feature-card p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.6; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 1200px; margin: 0 auto; }
.pricing-card {
    background: var(--bg-card); backdrop-filter: var(--blur);
    border: 1px solid var(--border); border-radius: var(--radius-xl);
    padding: 36px; text-align: center; transition: var(--transition);
    position: relative; overflow: hidden; box-shadow: var(--shadow-card);
}
.pricing-card.featured { border-color: rgba(255,107,0,0.3); box-shadow: var(--shadow-card), 0 0 60px rgba(255,107,0,0.12); }
.pricing-card.featured::before {
    content: 'MAIS POPULAR'; position: absolute;
    top: 20px; right: -32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white; padding: 5px 42px; font-size: 0.65rem; font-weight: 800;
    transform: rotate(45deg); letter-spacing: 1px;
    box-shadow: 0 2px 10px rgba(255,107,0,0.3);
}
.pricing-card:hover { transform: translateY(-8px); border-color: rgba(255,107,0,0.3); box-shadow: var(--shadow-card), var(--shadow-glow); }
.pricing-card h3 { font-size: 1.2rem; margin-bottom: 8px; font-weight: 700; }
.pricing-card .price { font-size: 2.8rem; font-weight: 900; color: var(--primary); margin: 24px 0; }
.pricing-card .price small { font-size: 0.9rem; color: var(--text-muted); font-weight: 400; }
.pricing-card .price .currency { font-size: 1.4rem; vertical-align: super; }
.pricing-card .features { list-style: none; margin: 24px 0; text-align: left; }
.pricing-card .features li { padding: 8px 0; color: var(--text-secondary); font-size: 0.88rem; display: flex; align-items: center; gap: 10px; }
.pricing-card .features li::before {
    content: ''; width: 20px; height: 20px; border-radius: 50%;
    background: rgba(255,107,0,0.1); display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; border: 1px solid rgba(255,107,0,0.15);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%23FF6B00' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 12.5l-4-4 1.5-1.5L6.5 9.5l6-6L14 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: center;
}

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; max-width: 1100px; margin: 0 auto; }
.about-image {
    width: 280px; height: 280px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    margin: 0 auto; display: flex; align-items: center; justify-content: center;
    font-size: 5rem; box-shadow: 0 0 80px rgba(255,107,0,0.2); position: relative;
}
.about-image::before { content: ''; position: absolute; inset: -8px; border-radius: 50%; border: 2px dashed rgba(255,107,0,0.2); animation: spin 20s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.about-text h3 { font-size: 1.8rem; margin-bottom: 16px; }
.about-text p { color: var(--text-secondary); line-height: 1.8; font-size: 1rem; }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; max-width: 1200px; margin: 0 auto; }
.testimonial-card {
    background: var(--bg-card); backdrop-filter: var(--blur);
    border: 1px solid var(--border); border-radius: var(--radius);
    padding: 28px; transition: var(--transition); box-shadow: var(--shadow-card);
}
.testimonial-card:hover { border-color: var(--border-light); transform: translateY(-4px); }
.testimonial-card .stars { color: var(--primary); margin-bottom: 14px; font-size: 0.9rem; letter-spacing: 2px; }
.testimonial-card p { color: var(--text-secondary); font-style: italic; margin-bottom: 16px; line-height: 1.7; font-size: 0.92rem; }
.testimonial-card .author { font-weight: 700; font-size: 0.88rem; color: var(--text-primary); }

/* CTA */
.cta-section {
    text-align: center; padding: 100px 48px; position: relative; overflow: hidden;
    background: linear-gradient(135deg, rgba(255,107,0,0.08) 0%, var(--bg-body) 50%, rgba(255,107,0,0.05) 100%);
    border-top: 1px solid var(--border-glow); border-bottom: 1px solid var(--border-glow);
}
.cta-section::before { content: ''; position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(255,107,0,0.1) 0%, transparent 60%); top: -250px; left: 50%; transform: translateX(-50%); pointer-events: none; }
.cta-section h2 { font-size: 2.5rem; margin-bottom: 16px; font-weight: 800; position: relative; z-index: 1; }
.cta-section p { color: var(--text-secondary); margin-bottom: 36px; max-width: 550px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; }

/* Count */
.count-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; max-width: 900px; margin: 0 auto; }
.count-item {
    text-align: center; padding: 24px;
    background: var(--bg-card); backdrop-filter: var(--blur);
    border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-card);
}
.count-item h3 { font-size: 2.4rem; color: var(--primary); font-weight: 900; margin-bottom: 4px; }
.count-item p { color: var(--text-muted); font-size: 0.85rem; }

/* Auth */
.auth-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; position: relative; overflow: hidden; }
.auth-container::before { content: ''; position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, rgba(255,107,0,0.08) 0%, transparent 50%); top: -200px; right: -200px; }
.auth-container::after { content: ''; position: absolute; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,107,0,0.05) 0%, transparent 50%); bottom: -100px; left: -100px; }
.auth-box {
    background: var(--bg-card); backdrop-filter: var(--blur);
    border: 1px solid var(--border); border-radius: var(--radius-xl);
    padding: 44px; width: 100%; max-width: 440px;
    box-shadow: var(--shadow-lg); position: relative; z-index: 1;
}
.auth-box .logo { text-align: center; font-size: 1.6rem; font-weight: 800; color: var(--text-primary); margin-bottom: 6px; }
.auth-box .logo span { color: var(--primary); }
.auth-box .subtitle { text-align: center; color: var(--text-muted); margin-bottom: 32px; font-size: 0.9rem; }
.auth-divider { text-align: center; margin: 20px 0; color: var(--text-muted); font-size: 0.8rem; position: relative; }
.auth-divider::before, .auth-divider::after { content: ''; position: absolute; top: 50%; width: 40%; height: 1px; background: var(--border); }
.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }

/* Footer */
.footer { background: rgba(8,8,14,0.8); backdrop-filter: var(--blur); border-top: 1px solid var(--border); padding: 48px; text-align: center; }
.footer p { color: var(--text-muted); font-size: 0.82rem; }
.footer .social-links { display: flex; justify-content: center; gap: 12px; margin-bottom: 20px; }
.footer .social-links a {
    width: 42px; height: 42px; border-radius: 12px;
    background: var(--bg-glass); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); font-size: 1rem; transition: var(--transition);
}
.footer .social-links a:hover { background: var(--primary); color: white; border-color: var(--primary); box-shadow: 0 4px 15px rgba(255,107,0,0.3); }

/* Toast */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
    background: var(--bg-card-solid); backdrop-filter: var(--blur);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 16px 20px; min-width: 320px; max-width: 420px;
    display: flex; align-items: center; gap: 12px;
    box-shadow: var(--shadow-lg); animation: slideIn 0.4s cubic-bezier(0.2,0.8,0.3,1);
    border-left: 3px solid var(--primary);
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast .toast-message { flex: 1; font-size: 0.88rem; }
.toast .toast-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1rem; padding: 4px; }

@keyframes slideIn { from { transform: translateX(100%) translateY(-10px); opacity: 0; } to { transform: translateX(0) translateY(0); opacity: 1; } }

/* Loader */
.loader { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spinLoader 0.7s linear infinite; }
.page-loader { display: flex; align-items: center; justify-content: center; min-height: 400px; }
@keyframes spinLoader { to { transform: rotate(360deg); } }

/* Empty */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state .icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { color: var(--text-secondary); margin-bottom: 8px; }
.empty-state p { font-size: 0.9rem; }

/* Search / Pagination */
.search-bar { display: flex; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }
.search-bar .form-control { flex: 1; min-width: 200px; }
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 24px; }
.pagination button { padding: 8px 14px; background: var(--bg-glass); border: 1px solid var(--border); border-radius: 8px; color: var(--text-secondary); cursor: pointer; transition: var(--transition); font-family: var(--font); font-size: 0.85rem; }
.pagination button:hover, .pagination button.active { background: var(--primary); border-color: var(--primary); color: white; box-shadow: 0 2px 10px rgba(255,107,0,0.3); }
.pagination button:disabled { opacity: 0.3; cursor: not-allowed; }

/* ---- Workout Sheet ---- */
.workout-sheet {
    background: var(--bg-card); backdrop-filter: var(--blur);
    border: 1px solid var(--border); border-radius: var(--radius-lg);
    overflow: hidden; margin-bottom: 20px; box-shadow: var(--shadow-card);
    transition: var(--transition);
}
.workout-sheet:hover { border-color: var(--border-light); }
.workout-sheet-header {
    padding: 20px 24px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.015);
    cursor: pointer; transition: var(--transition);
}
.workout-sheet-header:hover { background: rgba(255,255,255,0.03); }
.workout-sheet-header .ws-title { display: flex; align-items: center; gap: 14px; }
.workout-sheet-header .ws-day {
    width: 44px; height: 44px; border-radius: 12px;
    background: rgba(255,107,0,0.1); border: 1px solid rgba(255,107,0,0.15);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.75rem; color: var(--primary); text-transform: uppercase;
}
.workout-sheet-header h4 { font-size: 1.05rem; font-weight: 700; }
.workout-sheet-header .ws-muscle { font-size: 0.8rem; color: var(--primary); margin-top: 2px; font-weight: 600; }
.workout-sheet-header .ws-toggle { font-size: 1.2rem; color: var(--text-muted); transition: var(--transition); }
.workout-sheet.open .ws-toggle { transform: rotate(180deg); }
.workout-sheet-body { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1); }
.workout-sheet.open .workout-sheet-body { max-height: 2000px; }
.exercise-row {
    display: grid; grid-template-columns: 40px 2fr 1fr 1fr 1fr 1fr;
    gap: 12px; padding: 14px 24px; align-items: center;
    border-bottom: 1px solid var(--border); font-size: 0.88rem;
    transition: var(--transition-fast);
}
.exercise-row:hover { background: rgba(255,255,255,0.015); }
.exercise-row:last-child { border-bottom: none; }
.exercise-row .ex-num {
    width: 32px; height: 32px; border-radius: 8px;
    background: rgba(255,255,255,0.03); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.78rem; color: var(--text-muted);
}
.exercise-row .ex-name { font-weight: 600; color: var(--text-primary); }
.exercise-row .ex-detail { color: var(--text-secondary); font-size: 0.82rem; text-align: center; }
.exercise-row .ex-detail strong { color: var(--primary); font-weight: 700; }
.exercise-header {
    display: grid; grid-template-columns: 40px 2fr 1fr 1fr 1fr 1fr;
    gap: 12px; padding: 10px 24px;
    font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px;
    color: var(--text-muted); background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border);
}
.exercise-note { padding: 8px 24px 14px; font-size: 0.82rem; color: var(--text-muted); font-style: italic; border-bottom: 1px solid var(--border); }
.workout-sheet-footer {
    padding: 14px 24px; background: rgba(255,255,255,0.01);
    display: flex; align-items: center; justify-content: space-between;
    font-size: 0.82rem; color: var(--text-muted);
}

/* Workout builder */
.exercise-builder { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; }
.exercise-builder-item {
    display: grid; grid-template-columns: 36px 2fr 80px 80px 80px 80px 36px;
    gap: 8px; padding: 10px 14px; align-items: center;
    border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.01);
}
.exercise-builder-item:last-child { border-bottom: none; }
.exercise-builder-item .form-control { padding: 8px 10px; font-size: 0.82rem; border-radius: 6px; }
.exercise-builder-item .drag-handle { cursor: grab; color: var(--text-muted); text-align: center; }
.exercise-builder-item .remove-btn {
    width: 28px; height: 28px; border-radius: 6px;
    background: var(--danger-bg); border: 1px solid rgba(255,23,68,0.15);
    color: var(--danger); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem; transition: var(--transition);
}
.exercise-builder-item .remove-btn:hover { background: var(--danger); color: white; }
.add-exercise-btn {
    width: 100%; padding: 10px;
    background: rgba(255,107,0,0.04);
    border: 1px dashed rgba(255,107,0,0.2);
    border-radius: 0 0 var(--radius) var(--radius);
    color: var(--primary); font-weight: 600; font-size: 0.85rem;
    cursor: pointer; transition: var(--transition); font-family: var(--font);
}
.add-exercise-btn:hover { background: rgba(255,107,0,0.08); }

/* Tabs */
.tabs { display: flex; gap: 4px; margin-bottom: 24px; background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px; }
.tab-btn {
    padding: 10px 20px; background: transparent; border: none; border-radius: 8px;
    color: var(--text-secondary); font-weight: 600; font-size: 0.85rem;
    cursor: pointer; transition: var(--transition); font-family: var(--font);
}
.tab-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.03); }
.tab-btn.active { background: var(--primary); color: white; box-shadow: 0 2px 10px rgba(255,107,0,0.3); }

/* Animate */
[data-animate] { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-animate].visible { opacity: 1; transform: translateY(0); }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,0,0.4); } 50% { box-shadow: 0 0 0 15px rgba(255,107,0,0); } }
.btn-pulse { animation: pulse 2.5s infinite; }

/* Utilities */
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }
.p-2 { padding: 16px; } .p-3 { padding: 24px; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .gap-3 { gap: 24px; }
.d-flex { display: flex; } .flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; } .justify-between { justify-content: space-between; } .justify-center { justify-content: center; }
.w-100 { width: 100%; } .hidden { display: none !important; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); width: 280px; }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
    .main-content { margin-left: 0; }
    .sidebar-toggle { display: block; }
    .topbar { padding: 12px 16px; }
    .page-content { padding: 16px; }
    .hero-content h1 { font-size: 2.4rem; }
    .hero-stats { flex-direction: column; gap: 24px; }
    .section { padding: 60px 20px; }
    .section-header h2 { font-size: 1.8rem; }
    .navbar { padding: 12px 20px; }
    .navbar-links { display: none; }
    .navbar-links.open {
        display: flex; flex-direction: column; position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--bg-card-solid); backdrop-filter: var(--blur);
        border-bottom: 1px solid var(--border); padding: 20px; gap: 16px;
    }
    .mobile-menu-btn { display: block; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; text-align: center; }
    .about-image { width: 200px; height: 200px; font-size: 3.5rem; }
    .cta-section { padding: 60px 20px; }
    .cta-section h2 { font-size: 1.8rem; }
    .count-grid { grid-template-columns: 1fr 1fr; }
    h1 { font-size: 1.8rem; } h2 { font-size: 1.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .exercise-row { grid-template-columns: 32px 1fr; gap: 4px; }
    .exercise-row .ex-detail { text-align: left; }
    .exercise-header { display: none; }
    .exercise-builder-item { grid-template-columns: 1fr 1fr; gap: 6px; }
}
@media (max-width: 480px) {
    .auth-box { padding: 28px 20px; }
    .hero-content h1 { font-size: 1.9rem; }
    .hero-buttons { flex-direction: column; }
    .topbar h2 { font-size: 1rem; }
    .stats-grid { grid-template-columns: 1fr; }
    .hero-stats { gap: 16px; }
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); }
::selection { background: rgba(255,107,0,0.3); color: white; }