/* ═══════════════════════════════════════════════════════════
   MailScrub.app — Design System
   Dark mode · Glassmorphism · Premium aesthetic
   ═══════════════════════════════════════════════════════════ */

/* ── Reset & Base ─────────────────────────────────────── */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --bg-primary: #06070f;
    --bg-secondary: #0c0e1a;
    --bg-card: rgba(16, 19, 39, 0.65);
    --bg-card-hover: rgba(22, 26, 52, 0.75);
    --border-card: rgba(99, 115, 255, 0.12);
    --border-card-hover: rgba(99, 115, 255, 0.25);

    --text-primary: #e8eaf6;
    --text-secondary: #8b8fa8;
    --text-muted: #555a72;

    --accent-blue: #6373ff;
    --accent-cyan: #00d4ff;
    --accent-green: #00e096;
    --accent-orange: #ffaa40;
    --accent-red: #ff4d6a;
    --accent-purple: #b44aff;

    --gradient-primary: linear-gradient(135deg, #6373ff, #00d4ff);
    --gradient-score-good: linear-gradient(135deg, #00e096, #00d4ff);
    --gradient-score-mid: linear-gradient(135deg, #ffaa40, #ff7a00);
    --gradient-score-bad: linear-gradient(135deg, #ff4d6a, #ff2442);

    /* Glassmorphism */
    --glass-bg: rgba(16, 19, 39, 0.55);
    --glass-blur: 20px;
    --glass-border: 1px solid rgba(99, 115, 255, 0.1);

    /* Shadows */
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 60px rgba(99, 115, 255, 0.08);

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Sizing */
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.hidden {
    display: none !important;
}


/* ── Animated Background Orbs ─────────────────────────── */

.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-blue);
    top: -200px;
    right: -200px;
    animation: float1 20s ease-in-out infinite;
}

.bg-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    bottom: -100px;
    left: -100px;
    animation: float2 25s ease-in-out infinite;
}

.bg-orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-cyan);
    top: 50%;
    left: 50%;
    animation: float3 18s ease-in-out infinite;
}

@keyframes float1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(-80px, 60px) scale(1.1);
    }

    66% {
        transform: translate(40px, -40px) scale(0.9);
    }
}

@keyframes float2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(100px, -80px) scale(1.15);
    }
}

@keyframes float3 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.2;
    }

    50% {
        transform: translate(-60px, 40px) scale(1.2);
        opacity: 0.35;
    }
}


/* ── Navbar ───────────────────────────────────────────── */

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    position: relative;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.3rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-badge {
    font-size: 0.75rem;
    color: var(--accent-cyan);
    opacity: 0.7;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-tag {
    background: rgba(99, 115, 255, 0.1);
    color: var(--accent-blue);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(99, 115, 255, 0.2);
}

.user-badge {
    color: var(--text-secondary);
    font-size: 0.85rem;
}


/* ── Hero Section ─────────────────────────────────────── */

.section-landing {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.08);
    color: var(--accent-cyan);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(0, 212, 255, 0.15);
    margin-bottom: 28px;
    animation: fadeInUp 0.6s ease-out;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: 36px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-subtitle strong {
    color: var(--text-primary);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1.05rem;
    font-weight: 600;
    font-family: var(--font);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 24px rgba(99, 115, 255, 0.35);
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(99, 115, 255, 0.5);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-icon {
    flex-shrink: 0;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-card);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--border-card-hover);
    background: var(--bg-card);
}

.hero-trust {
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}


/* ── Feature Cards ────────────────────────────────────── */

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 800px;
    margin-top: 60px;
    animation: fadeInUp 0.6s ease-out 0.5s both;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    border-radius: var(--radius);
    padding: 28px 22px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}


/* ── Loading Screen ───────────────────────────────────── */

.section-loading {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    z-index: 100;
}

.loader-container {
    text-align: center;
}

.loader-ring {
    width: 80px;
    height: 80px;
    border: 3px solid rgba(99, 115, 255, 0.15);
    border-top: 3px solid var(--accent-cyan);
    border-radius: 50%;
    margin: 0 auto 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loader-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.loader-status {
    color: var(--text-secondary);
    font-size: 0.9rem;
}


/* ── Dashboard ────────────────────────────────────────── */

.section-dashboard {
    min-height: 100vh;
    background: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(99, 115, 255, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(0, 212, 255, 0.04) 0%, transparent 60%);
}

.dashboard-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 10px 30px 40px;
}

.dash-header {
    margin-bottom: 30px;
    animation: fadeInUp 0.5s ease-out;
}

.dash-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
}

.dash-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 6px;
}


/* ── Cards ────────────────────────────────────────────── */

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-card);
    transition: border-color 0.3s ease;
    animation: fadeInUp 0.5s ease-out both;
}

.card:hover {
    border-color: var(--border-card-hover);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}


/* ── Score Ring ────────────────────────────────────────── */

.dash-grid-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.card-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation-delay: 0.1s;
}

.score-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.score-ring {
    position: relative;
    width: 200px;
    height: 200px;
}

.score-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.score-bg {
    fill: none;
    stroke: rgba(99, 115, 255, 0.1);
    stroke-width: 10;
}

.score-progress {
    fill: none;
    stroke: url(#scoreGradient);
    stroke-width: 10;
    stroke-linecap: round;
    transition: stroke-dashoffset 2s cubic-bezier(0.4, 0, 0.2, 1);
}

.score-value {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.score-number {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
}

.score-max {
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.score-label {
    margin-top: 14px;
    font-size: 1rem;
    font-weight: 600;
}


/* ── Categories Chart ─────────────────────────────────── */

.card-categories {
    animation-delay: 0.2s;
}

.chart-container {
    position: relative;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}


/* ── Top Senders ──────────────────────────────────────── */

.card-senders {
    margin-bottom: 20px;
    animation-delay: 0.3s;
}

.senders-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sender-row {
    display: grid;
    grid-template-columns: 32px 1fr 180px 50px 60px auto;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.sender-row:hover {
    background: rgba(99, 115, 255, 0.05);
    border-color: var(--border-card);
}

.sender-rank {
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
}

.sender-rank.top-3 {
    color: var(--accent-orange);
}

.sender-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.sender-email {
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sender-category {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.sender-bar-container {
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
}

.sender-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0;
}

.sender-bar.newsletter {
    background: var(--gradient-primary);
}

.sender-bar.notification {
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
}

.sender-bar.human {
    background: var(--gradient-score-good);
}

.sender-bar.spam {
    background: var(--gradient-score-bad);
}

.sender-count {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: right;
}

.sender-size {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
    white-space: nowrap;
}

/* ── Sender Action Buttons ────────────────────────────── */

.sender-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.btn-action {
    width: 32px;
    height: 32px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xs);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    padding: 0;
}

.btn-action:hover {
    transform: scale(1.1);
}

.btn-action:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.btn-trash:hover {
    background: rgba(255, 77, 106, 0.15);
    border-color: var(--accent-red);
}

.btn-unsub:hover {
    background: rgba(255, 170, 64, 0.15);
    border-color: var(--accent-orange);
}


/* ── Space Summary Card ──────────────────────────────── */

.card-space {
    margin-bottom: 20px;
    animation-delay: 0.35s;
}

.space-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.space-item {
    text-align: center;
    padding: 20px 16px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.space-item:hover {
    background: rgba(99, 115, 255, 0.05);
    border-color: var(--border-card);
}

.space-item.recoverable {
    border-color: rgba(255, 170, 64, 0.2);
}

.space-item.freed {
    border-color: rgba(0, 224, 150, 0.2);
}

.space-icon {
    display: block;
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.space-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.space-item.recoverable .space-value {
    background: linear-gradient(135deg, var(--accent-orange), #ff7a00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.space-item.freed .space-value {
    background: var(--gradient-score-good);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.space-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}


/* ── Recommendations ──────────────────────────────────── */

.card-recs {
    margin-bottom: 20px;
    animation-delay: 0.4s;
}

.recs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rec-item {
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent-blue);
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.rec-item:hover {
    background: rgba(99, 115, 255, 0.05);
    color: var(--text-primary);
}


/* ── Stats Row ────────────────────────────────────────── */

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    animation: fadeInUp 0.5s ease-out 0.5s both;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
    transition: border-color 0.3s ease;
}

.stat-card:hover {
    border-color: var(--border-card-hover);
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}


/* ── Footer ───────────────────────────────────────────── */

.footer {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}


/* ── Animations ───────────────────────────────────────── */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ── Responsive ───────────────────────────────────────── */

@media (max-width: 768px) {
    .navbar {
        padding: 16px 20px;
    }

    .features {
        grid-template-columns: 1fr;
        max-width: 360px;
    }

    .dash-grid-top {
        grid-template-columns: 1fr;
    }

    .sender-row {
        grid-template-columns: 28px 1fr 60px auto;
    }

    .sender-bar-container,
    .sender-size {
        display: none;
    }

    .stats-row {
        grid-template-columns: 1fr;
    }

    .space-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-content {
        padding: 10px 16px 40px;
    }
}