/* ======================================================
 * FreeMail - Professional Home Page CSS
 * Modules/Home/Assets/css/home.css
 * ====================================================== */

/* ===== CSS Variables ===== */
:root {
    --primary: #667eea;
    --primary-dark: #5a6fd6;
    --secondary: #764ba2;
    --accent: #f093fb;
    --bg-dark: #0a0e27;
    --bg-card: rgba(255,255,255,0.04);
    --border: rgba(255,255,255,0.08);
    --text: #e2e8f0;
    --text-muted: #8892b0;
    --text-dim: rgba(255,255,255,0.5);
    --radius: 16px;
    --radius-sm: 10px;
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-bg: linear-gradient(135deg, #0a0e27 0%, #1a1040 40%, #0d1b3e 100%);
    --shadow-glow: 0 8px 32px rgba(102,126,234,0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--bg-dark);
    color: var(--text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ===== Animated Background ===== */
.bg-effects {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #667eea, transparent 70%);
    top: -15%;
    right: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #764ba2, transparent 70%);
    bottom: -10%;
    left: -5%;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #f093fb, transparent 70%);
    top: 40%;
    left: 50%;
    opacity: 0.15;
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10,14,39,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    height: 64px;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gradient-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link-custom {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link-custom:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
    text-decoration: none;
}

.btn-header-login {
    color: #fff;
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    background: var(--gradient-purple);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-header-login:hover {
    color: #fff;
    text-decoration: none;
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    z-index: 1;
    padding: 120px 32px 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(102,126,234,0.1);
    border: 1px solid rgba(102,126,234,0.2);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.1;
    margin: 0 0 20px;
    color: #fff;
    letter-spacing: -1.5px;
}

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

.hero-desc {
    font-size: 17px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 500px;
}

/* Email Creator */
.email-creator {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    backdrop-filter: blur(20px);
}

.creator-row {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 16px;
}

.creator-input-wrap {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.creator-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 14px;
    z-index: 1;
}

.creator-input-wrap input {
    width: 100%;
    padding: 14px 44px 14px 40px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    color: #fff;
    font-size: 15px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.creator-input-wrap input:focus {
    border-color: var(--primary);
    background: rgba(102,126,234,0.05);
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

.creator-input-wrap input::placeholder {
    color: var(--text-dim);
}

.btn-random {
    position: absolute;
    right: 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: var(--transition);
}

.btn-random:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.creator-at {
    padding: 14px 12px;
    background: rgba(255,255,255,0.06);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-weight: 700;
    font-size: 15px;
    user-select: none;
}

.creator-select-wrap {
    position: relative;
    flex: 1;
}

.creator-select-wrap select {
    width: 100%;
    padding: 14px 36px 14px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: #fff;
    font-size: 15px;
    outline: none;
    appearance: none;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

.creator-select-wrap select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

.creator-select-wrap select option {
    background: #1a1a2e;
    color: #fff;
}

.select-arrow {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 12px;
    pointer-events: none;
}

.creator-warning {
    background: rgba(255,193,7,0.1);
    border: 1px solid rgba(255,193,7,0.2);
    color: #ffc107;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
}

.btn-create {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--gradient-purple);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-create:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102,126,234,0.35);
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.stat-item { text-align: center; }

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border);
}

/* Hero Visual (floating cards) */
.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    gap: 16px;
    animation: cardFloat 6s ease-in-out infinite;
    width: 280px;
}

.card-1 {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    left: 5%;
    animation-delay: -2s;
}

.card-3 {
    bottom: 10%;
    right: 15%;
    animation-delay: -4s;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.vcard-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--gradient-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    flex-shrink: 0;
}

.vcard-lines { flex: 1; }

.vcard-line {
    height: 8px;
    border-radius: 4px;
    background: rgba(255,255,255,0.08);
    margin-bottom: 6px;
}

.vcard-line:last-child { margin-bottom: 0; }
.vcard-line.w40 { width: 40%; }
.vcard-line.w50 { width: 50%; }
.vcard-line.w60 { width: 60%; }
.vcard-line.w70 { width: 70%; }
.vcard-line.w80 { width: 80%; }
.vcard-line.w90 { width: 90%; }

.visual-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(102,126,234,0.2), transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

/* ===== Inbox Section ===== */
.inbox-section {
    position: relative;
    z-index: 1;
    padding: 80px 32px 40px;
    min-height: 100vh;
}

.inbox-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.inbox-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 24px;
    margin-bottom: 20px;
    backdrop-filter: blur(20px);
    flex-wrap: wrap;
    gap: 12px;
}

.inbox-email-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.inbox-avatar {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--gradient-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
}

.inbox-email-addr {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}

.inbox-auto-refresh {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 2px;
}

.pulse-dot {
    font-size: 8px;
    color: #10b981;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.inbox-actions {
    display: flex;
    gap: 8px;
}

.inbox-btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: inherit;
}

.inbox-btn:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
    border-color: rgba(255,255,255,0.15);
}

.inbox-btn.btn-danger-outline:hover {
    background: rgba(239,68,68,0.1);
    color: #ef4444;
    border-color: rgba(239,68,68,0.3);
}

.inbox-content {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 20px;
    min-height: calc(100vh - 200px);
}

/* Inbox List Panel */
.inbox-list-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.inbox-list-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.inbox-list-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.inbox-badge {
    background: var(--gradient-purple);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 100px;
}

.inbox-list {
    flex: 1;
    overflow-y: auto;
    max-height: calc(100vh - 280px);
}

.inbox-list::-webkit-scrollbar { width: 4px; }
.inbox-list::-webkit-scrollbar-track { background: transparent; }
.inbox-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.inbox-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.inbox-empty-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(255,255,255,0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.inbox-empty p {
    color: var(--text);
    font-weight: 600;
    font-size: 14px;
    margin: 0 0 4px;
}

.inbox-empty span {
    color: var(--text-muted);
    font-size: 13px;
}

/* Email list items */
.email-list-item {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.email-list-item:hover {
    background: rgba(255,255,255,0.03);
}

.email-list-item.active {
    background: rgba(102,126,234,0.08);
    border-left: 3px solid var(--primary);
}

.email-list-item .email-sender {
    font-weight: 600;
    font-size: 14px;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.email-list-item .email-subject {
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 3px;
}

.email-list-item .email-time {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
}

.inbox-pagination {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.inbox-pagination .pagination { margin: 0; justify-content: center; }
.inbox-pagination .page-link {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 6px;
    margin: 0 2px;
}
.inbox-pagination .page-item.active .page-link {
    background: var(--gradient-purple);
    border-color: transparent;
    color: #fff;
}

/* Detail Panel */
.inbox-detail-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.inbox-detail-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    text-align: center;
}

.detail-empty-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    background: rgba(255,255,255,0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.inbox-detail-empty p {
    color: var(--text-muted);
    font-size: 14px;
    margin: 0;
}

.detail-header {
    padding: 24px 28px 0;
}

.detail-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 10px;
    line-height: 1.4;
}

.detail-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.detail-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.detail-divider {
    height: 1px;
    background: var(--border);
    margin: 16px 28px;
}

.detail-body {
    padding: 0 28px 28px;
    flex: 1;
    overflow-y: auto;
    line-height: 1.7;
    color: var(--text);
    font-size: 14px;
}

.detail-body iframe {
    width: 100%;
    border: none;
    min-height: 300px;
    border-radius: 8px;
}

/* ===== Features Section ===== */
.features {
    position: relative;
    z-index: 1;
    padding: 100px 32px;
}

.features-inner, .hiw-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(102,126,234,0.1);
    border: 1px solid rgba(102,126,234,0.2);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 10px;
    letter-spacing: -1px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-muted);
    margin: 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(102,126,234,0.2);
    box-shadow: var(--shadow-glow);
}

.feature-icon-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--gradient-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}

/* ===== How It Works ===== */
.how-it-works {
    position: relative;
    z-index: 1;
    padding: 80px 32px 100px;
}

.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    flex: 1;
    max-width: 300px;
    position: relative;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-4px);
    border-color: rgba(102,126,234,0.2);
}

.step-number {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gradient-purple);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 10px;
}

.step-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}

.step-arrow {
    color: var(--text-dim);
    font-size: 20px;
    flex-shrink: 0;
}

/* ===== Footer ===== */
.site-footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 48px 32px 0;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 80px;
    padding-bottom: 40px;
}

.footer-brand {
    flex: 1;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 12px;
    line-height: 1.7;
    max-width: 300px;
}

.footer-links-group h4 {
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0 0 16px;
}

.footer-links-group a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    padding: 4px 0;
    transition: var(--transition);
}

.footer-links-group a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 20px 0;
}

.footer-bottom p {
    margin: 0;
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== Policy Pages ===== */
.policy-section {
    position: relative;
    z-index: 1;
    padding: 100px 32px 60px;
    min-height: calc(100vh - 160px);
}

.policy-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
    max-width: 800px;
    margin: 0 auto;
    backdrop-filter: blur(20px);
}

.policy-card h1 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
    color: #fff;
}

.policy-updated {
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.policy-card h2 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-top: 28px;
    margin-bottom: 12px;
}

.policy-card p,
.policy-card li {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-muted);
}

.policy-card ul { padding-left: 20px; margin-bottom: 16px; }
.policy-card li { margin-bottom: 6px; }

.policy-back {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.policy-back .btn {
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

/* ===== Toastr Override ===== */
.toast-success { background-color: #10b981 !important; }
.toast-error { background-color: #ef4444 !important; }
.toast-warning { background-color: #f59e0b !important; }

/* ===== Loading ===== */
.loading-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.7s linear infinite;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { display: none; }
    .hero-content h1 { font-size: 40px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .inbox-content { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .site-header { padding: 0 16px; }
    .nav-link-custom span { display: none; }
    .hero { padding: 100px 16px 60px; }
    .hero-content h1 { font-size: 32px; }
    .hero-desc { font-size: 15px; }
    .hero-stats { flex-wrap: wrap; gap: 16px; }
    .stat-divider { display: none; }
    .creator-row { flex-direction: column; }
    .creator-input-wrap input { border-radius: var(--radius-sm); }
    .creator-at { padding: 8px; text-align: center; }
    .creator-select-wrap select { border-radius: var(--radius-sm); }
    .features { padding: 60px 16px; }
    .features-grid { grid-template-columns: 1fr; }
    .section-header h2 { font-size: 28px; }
    .steps-grid { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    .inbox-section { padding: 80px 16px 40px; }
    .inbox-toolbar { flex-direction: column; align-items: flex-start; }
    .inbox-actions { width: 100%; }
    .inbox-btn span { display: none; }
    .footer-inner { flex-direction: column; gap: 32px; }
    .policy-card { padding: 24px; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 26px; }
    .email-creator { padding: 20px; }
    .hero-stats { gap: 12px; }
    .stat-number { font-size: 22px; }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 9999;
    width: 46px;
    height: 46px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(124,58,237,0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.3s, box-shadow 0.3s;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    box-shadow: 0 6px 28px rgba(124,58,237,0.55);
    transform: translateY(-3px);
}
.back-to-top:active {
    transform: translateY(0);
}
@media (max-width: 768px) {
    .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}