@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

:root {
    --sun-gold: #f5c842;
    --warm-cream: #fef9ed;
    --honey: #e8b923;
    --morning-peach: #fde4c4;
    --cafe-amber: #d4a04a;
    --leaf-mint: #7fb069;
    --leaf-sage: #5a8f5a;
    --glass-white: rgba(255, 252, 245, 0.92);
    --shadow-warm: rgba(212, 160, 74, 0.15);
    --shadow-deep: rgba(90, 60, 20, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* Login page - sunny Hong Kong cafe window */
.login-page {
    min-height: 100vh;
    background:
        radial-gradient(ellipse 120% 80% at 70% 20%, rgba(253, 228, 196, 0.9) 0%, transparent 50%),
        radial-gradient(ellipse 100% 60% at 30% 80%, rgba(127, 176, 105, 0.15) 0%, transparent 50%),
        linear-gradient(165deg, #fef9ed 0%, #fde4c4 40%, #f5e6c8 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--glass-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    max-width: 400px;
    width: 100%;
    box-shadow:
        0 25px 50px -12px var(--shadow-warm),
        0 0 0 1px rgba(255, 255, 255, 0.6) inset,
        0 4px 24px var(--shadow-deep);
}

.login-title {
    font-size: 2rem;
    font-weight: 600;
    color: #2d2a26;
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}

.login-subtitle {
    font-size: 1rem;
    color: #6b6560;
    margin-bottom: 2rem;
    font-weight: 400;
}

.btn-google {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    color: #2d2a26;
    background: #fff;
    border: 2px solid #e8e4dd;
    border-radius: 14px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px var(--shadow-deep);
}

.btn-google:hover {
    background: #fefdfb;
    border-color: var(--cafe-amber);
    box-shadow: 0 4px 16px var(--shadow-warm);
    transform: translateY(-1px);
}

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

.login-domain-note {
    margin-top: 1.25rem;
    font-size: 0.8rem;
    color: #9a938c;
}

/* Dashboard */
.dashboard-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100vh;
    background:
        radial-gradient(ellipse 120% 80% at 70% 10%, rgba(253, 228, 196, 0.6) 0%, transparent 50%),
        linear-gradient(180deg, #fef9ed 0%, #fdf5e6 50%, #faf3e0 100%);
}

.dashboard-header {
    background: var(--glass-white);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 160, 74, 0.2);
    box-shadow: 0 2px 20px var(--shadow-deep);
}

.dashboard-header .brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2d2a26;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.dashboard-header .brand:hover {
    color: var(--cafe-amber);
}

.dashboard-header .user-email {
    font-size: 0.9rem;
    color: #6b6560;
}

.dashboard-header .btn-outline-light {
    border-color: rgba(45, 42, 38, 0.2);
    color: #2d2a26;
}

.dashboard-header .btn-outline-light:hover {
    background: rgba(45, 42, 38, 0.06);
    border-color: rgba(45, 42, 38, 0.3);
    color: #2d2a26;
}

.dashboard-main {
    flex: 1;
    padding-bottom: 4rem;
}

.dashboard-footer {
    font-size: 0.7rem;
    color: #8a847c;
    text-align: center;
    padding: 0.4rem 1rem;
    letter-spacing: 0.02em;
    background: rgba(255, 255, 255, 0.7);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.dashboard-content .empty-state {
    background: var(--glass-white);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 32px var(--shadow-warm);
}

.dashboard-content .empty-icon {
    font-size: 3rem;
    opacity: 0.9;
}

.dashboard-content .empty-state h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d2a26;
}

.btn-add-lesson {
    background: linear-gradient(90deg, #0d1b4d 0%, #1e3a8a 25%, #3b82f6 50%, #1e3a8a 75%, #0d1b4d 100%);
    background-size: 200% 100%;
    background-position: 100% 0;
    color: #fff;
    border: none;
    transition: background-position 0.6s ease;
}

.btn-add-lesson:hover {
    color: #fff;
    animation: surge-sweep 1.5s ease-in-out infinite;
}

/* Lesson plan topics section */
.lesson-topics {
    border-top: 1px solid rgba(42, 143, 153, 0.2);
    background: rgba(42, 143, 153, 0.06);
    padding: 1rem;
}

.lesson-topics-heading {
    color: #2A8F99;
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid #dee2e6;
}

.lesson-topics-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.lesson-topic-tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background: #2A8F99;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 9999px;
}

@keyframes surge-sweep {
    0%, 100% { background-position: 0% 0; }
    50% { background-position: 100% 0; }
}

/* Public layout navbar (lesson plans, home, etc.) */
.navbar-public {
    background: var(--glass-white);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 160, 74, 0.2);
    box-shadow: 0 2px 20px var(--shadow-deep);
}

.navbar-public .navbar-brand {
    font-weight: 600;
    color: #2d2a26;
    text-decoration: none;
}

.navbar-public .navbar-brand:hover {
    color: var(--cafe-amber);
}

.navbar-public .nav-link {
    color: #6b6560;
}

.navbar-public .nav-link:hover {
    color: var(--cafe-amber);
}

.navbar-public .navbar-toggler {
    border-color: rgba(45, 42, 38, 0.15);
}

.navbar-public .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(45, 42, 38, 0.55)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* DB test page */
.login-wrapper .login-card .text-success,
.login-wrapper .login-card .text-danger {
    font-weight: 500;
}

/* Responsive */
@media (max-width: 576px) {
    .login-card {
        padding: 2rem 1.5rem;
    }

    .login-title {
        font-size: 1.75rem;
    }
}