/* ============================================
   MailBox Pro - Email Login Template Styles
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4A90D9;
    --primary-dark: #2C5F9E;
    --primary-light: #6BA5E7;
    --accent: #50C878;
    --bg-dark: #0F1724;
    --bg-darker: #0A1019;
    --bg-card: #1A2332;
    --bg-input: #0F1724;
    --text-primary: #FFFFFF;
    --text-secondary: #8899AA;
    --text-muted: #556677;
    --border: #253345;
    --border-focus: #4A90D9;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-darker);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--text-primary);
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 36, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(37, 51, 69, 0.5);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
}

.logo:hover {
    color: var(--text-primary);
}

.logo-icon {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links a {
    display: block;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(74, 144, 217, 0.1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: all var(--transition);
}

/* --- Login Page --- */
.login-page {
    padding-top: 64px;
    min-height: 100vh;
    position: relative;
}

/* Background Decorations */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.bg-circle-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
}

.bg-circle-2 {
    width: 400px;
    height: 400px;
    background: #50C878;
    bottom: -100px;
    left: -100px;
}

.bg-circle-3 {
    width: 300px;
    height: 300px;
    background: #FFB347;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* --- Login Section --- */
.login-section {
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}

.login-container {
    max-width: 1000px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

/* Left Branding Panel */
.login-branding {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #3A7BD5 100%);
    padding: 48px 40px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.login-branding::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.login-branding::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -30%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(0,0,0,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.branding-content {
    position: relative;
    z-index: 1;
}

.branding-icon {
    margin-bottom: 24px;
}

.branding-content h1 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    color: rgba(255,255,255,0.9);
}

.brand-highlight {
    color: #FFFFFF;
    font-weight: 800;
}

.branding-content > p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.7;
    margin-bottom: 32px;
}

.brand-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.brand-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.85);
}

.feature-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Right Form Panel */
.login-form-wrapper {
    padding: 48px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-form-card {
    width: 100%;
    max-width: 380px;
}

.form-header {
    margin-bottom: 32px;
}

.form-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Form Styles */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    pointer-events: none;
    transition: color var(--transition);
}

.input-wrapper input {
    width: 100%;
    padding: 14px 14px 14px 44px;
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--transition);
    outline: none;
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

.input-wrapper input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.15);
}

.input-wrapper input:focus ~ .input-icon,
.input-wrapper input:focus + .input-icon {
    color: var(--primary-light);
}

.input-wrapper:has(input:focus) .input-icon {
    color: var(--primary-light);
}

.password-toggle {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    transition: color var(--transition);
}

.password-toggle:hover {
    color: var(--text-secondary);
}

/* Form Options Row */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--border);
    border-radius: 4px;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-top: -2px;
}

.checkbox-label {
    color: var(--text-secondary);
}

.forgot-link {
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 500;
}

.forgot-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Buttons */
.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(74, 144, 217, 0.4);
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Divider */
.form-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* Create Account Button */
.btn-create {
    display: block;
    width: 100%;
    padding: 14px;
    background: transparent;
    color: var(--primary-light);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.btn-create:hover {
    border-color: var(--primary);
    background: rgba(74, 144, 217, 0.08);
    color: var(--text-primary);
}

/* Form Footer */
.form-footer {
    margin-top: 28px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.form-footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-footer strong {
    color: var(--text-secondary);
}

/* --- Features Section --- */
.features-section {
    position: relative;
    z-index: 1;
    padding: 80px 24px;
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
}

.features-container {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(74, 144, 217, 0.3);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.feature-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- CTA Section --- */
.cta-section {
    position: relative;
    z-index: 1;
    padding: 80px 24px;
    background: var(--bg-darker);
}

.cta-container {
    max-width: 700px;
    margin: 0 auto;
}

.cta-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(74, 144, 217, 0.08));
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 56px 48px;
    text-align: center;
}

.cta-card h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.cta-card > p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-primary {
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 217, 0.4);
    color: white;
}

.btn-cta-secondary {
    padding: 14px 32px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.btn-cta-secondary:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

/* --- Footer --- */
.site-footer {
    position: relative;
    z-index: 1;
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    padding: 56px 24px 0;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links-group h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.footer-links-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links-group a {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color var(--transition);
}

.footer-links-group a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 36, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 12px 16px;
    }

    .login-container {
        grid-template-columns: 1fr;
    }

    .login-branding {
        padding: 36px 32px;
    }

    .branding-content h1 {
        font-size: 1.5rem;
    }

    .login-form-wrapper {
        padding: 36px 32px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .feature-card {
        padding: 24px 20px;
    }

    .cta-card {
        padding: 40px 28px;
    }

    .cta-card h2 {
        font-size: 1.4rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

@media (max-width: 480px) {
    .login-branding {
        padding: 28px 24px;
    }

    .branding-content h1 {
        font-size: 1.3rem;
    }

    .brand-features {
        gap: 10px;
    }

    .brand-feature {
        font-size: 0.82rem;
    }

    .login-form-wrapper {
        padding: 28px 24px;
    }

    .form-header h2 {
        font-size: 1.4rem;
    }

    .input-wrapper input {
        padding: 12px 12px 12px 40px;
        font-size: 0.9rem;
    }

    .btn-login,
    .btn-create {
        padding: 12px;
        font-size: 0.95rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn-cta-primary,
    .btn-cta-secondary {
        width: 100%;
        text-align: center;
    }
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-form-card {
    animation: fadeInUp 0.6s ease forwards;
}

.branding-content {
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
    animation-fill-mode: forwards;
}

.feature-card {
    animation: fadeInUp 0.5s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; opacity: 0; animation-fill-mode: forwards; }
.feature-card:nth-child(2) { animation-delay: 0.2s; opacity: 0; animation-fill-mode: forwards; }
.feature-card:nth-child(3) { animation-delay: 0.3s; opacity: 0; animation-fill-mode: forwards; }
.feature-card:nth-child(4) { animation-delay: 0.4s; opacity: 0; animation-fill-mode: forwards; }