:root {
    --bg-color: #f7f2e8;
    --bg-accent: #eadac4;
    --panel-color: rgba(255, 251, 245, 0.78);
    --panel-border: rgba(133, 96, 57, 0.12);
    --text-primary: #2f241c;
    --text-secondary: #6b5645;
    --accent-color: #a3472f;
    --accent-deep: #7e2f1f;
    --accent-soft: #f2d9c8;
    --shadow-color: rgba(67, 43, 22, 0.12);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.8), transparent 30%),
        radial-gradient(circle at bottom right, rgba(210, 153, 111, 0.18), transparent 30%),
        linear-gradient(135deg, var(--bg-color), var(--bg-accent));
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem;
}

.app-container {
    width: 100%;
    max-width: 1240px;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.glass-panel {
    background: var(--panel-color);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--panel-border);
    border-radius: 28px;
    padding: 2rem;
    box-shadow: 0 20px 60px var(--shadow-color);
    animation: riseIn 0.55s ease-out both;
}

header {
    text-align: center;
    padding: 2.5rem 2rem;
}

.eyebrow {
    display: inline-block;
    font-size: 0.82rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 0.9rem;
}

header h1 {
    font-size: clamp(2.6rem, 6vw, 4.2rem);
    line-height: 0.95;
    font-weight: 800;
    letter-spacing: -0.06em;
    margin-bottom: 0.9rem;
}

header p {
    max-width: 680px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 1.08rem;
    line-height: 1.7;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.section-copy {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.section-copy h2,
.dashboard-header h2,
.chat-header h2 {
    font-size: 1.7rem;
}

.section-copy p,
#chatSubtitle,
.status-text,
.dashboard-body p,
.dashboard-body li {
    color: var(--text-secondary);
    line-height: 1.7;
}

.search-box,
.chat-input-area {
    display: flex;
    gap: 0.9rem;
    margin-top: 1.35rem;
}

input[type="text"] {
    flex: 1;
    padding: 1rem 1.2rem;
    border-radius: 16px;
    border: 1px solid rgba(126, 47, 31, 0.12);
    background: rgba(255, 255, 255, 0.82);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Outfit', sans-serif;
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

input[type="text"]:focus {
    border-color: rgba(163, 71, 47, 0.45);
    box-shadow: 0 0 0 4px rgba(163, 71, 47, 0.12);
    transform: translateY(-1px);
}

select {
    padding: 1rem 1rem;
    border-radius: 16px;
    border: 1px solid rgba(126, 47, 31, 0.12);
    background: rgba(255, 255, 255, 0.82);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Outfit', sans-serif;
    outline: none;
    min-width: 140px;
}

select:focus {
    border-color: rgba(163, 71, 47, 0.45);
    box-shadow: 0 0 0 4px rgba(163, 71, 47, 0.12);
}

button {
    padding: 1rem 1.5rem;
    border-radius: 16px;
    border: none;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-deep));
    color: #fff8f2;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Outfit', sans-serif;
    transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
    box-shadow: 0 14px 24px rgba(126, 47, 31, 0.18);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 28px rgba(126, 47, 31, 0.22);
}

button:disabled {
    opacity: 0.72;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.quick-prompts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1rem;
}

.prompt-chip {
    background: rgba(255, 244, 236, 0.9);
    color: var(--accent-deep);
    box-shadow: none;
    border: 1px solid rgba(163, 71, 47, 0.14);
    padding: 0.7rem 1rem;
}

.status-text {
    margin-top: 1rem;
    font-size: 0.96rem;
}

.content-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.75rem;
    align-items: start;
}

.hidden {
    display: none !important;
}

.theme-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.tag {
    background: var(--accent-soft);
    color: var(--accent-deep);
    padding: 0.52rem 0.9rem;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 700;
    border: 1px solid rgba(163, 71, 47, 0.08);
}

.dashboard-body {
    display: grid;
    gap: 0.8rem;
}

.dashboard-body h3 {
    margin-top: 0.9rem;
    font-size: 1.06rem;
    color: var(--accent-color);
}

.dashboard-body ul {
    list-style: none;
    display: grid;
    gap: 0.7rem;
}

.dashboard-body li {
    position: relative;
    padding-left: 1.2rem;
}

.dashboard-body li::before {
    content: '';
    position: absolute;
    top: 0.72rem;
    left: 0;
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 999px;
    background: var(--accent-color);
}

.chat-section {
    display: flex;
    flex-direction: column;
    min-height: 680px;
}

.chat-header {
    margin-bottom: 0.8rem;
}

.chat-window {
    flex: 1;
    overflow-y: auto;
    padding: 0.4rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    max-width: 88%;
    padding: 1rem 1.15rem;
    border-radius: 18px;
    line-height: 1.65;
    animation: riseIn 0.35s ease-out both;
}

.tutor-msg {
    align-self: flex-start;
    background: rgba(255, 250, 245, 0.95);
    border: 1px solid rgba(126, 47, 31, 0.1);
}

.user-msg {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-deep));
    color: #fff8f2;
}

.chat-window::-webkit-scrollbar {
    width: 8px;
}

.chat-window::-webkit-scrollbar-thumb {
    background: rgba(107, 86, 69, 0.28);
    border-radius: 999px;
}

@media (max-width: 900px) {
    body {
        padding: 1rem;
    }

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

    .chat-section {
        min-height: 560px;
    }
}

@media (max-width: 640px) {
    .glass-panel {
        padding: 1.35rem;
        border-radius: 22px;
    }

    .search-box,
    .chat-input-area {
        flex-direction: column;
    }

    button {
        width: 100%;
    }

    .message {
        max-width: 100%;
    }
}

@keyframes riseIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}