/* ============================================
   Meltdown Pattern Predictor — Color System
   Main: White, Yellow, Purple
   Accents: Pastel pink, lavender, mint
   ============================================ */

@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap");

:root {
    /* Main palette */
    --color-white: #ffffff;
    --color-cream: #FFFBEB;
    --color-yellow-soft: #FEF08A;
    --color-yellow-medium: #FDE047;
    --color-yellow-strong: #EAB308;
    --color-purple: #7C3AED;
    --color-purple-light: #A78BFA;
    --color-purple-pastel: #DDD6FE;
    --color-purple-tint: #EDE9FE;

    /* Pastels */
    --color-pink-pastel: #FBCFE8;
    --color-pink-medium: #F9A8D4;
    --color-pink-strong: #EC4899;
    --color-mint-pastel: #A7F3D0;
    --color-mint-medium: #86EFAC;
    --color-amber-pastel: #FEF3C7;
    --color-amber-strong: #D97706;

    /* Text */
    --color-text: #292524;
    --color-text-muted: #78716C;

    /* Borders & shadows */
    --color-border: #E7E5E4;
    --color-border-focus: var(--color-purple);
    --shadow-card: 0 4px 20px rgba(124, 58, 237, 0.06);
    --shadow-card-hover: 0 6px 24px rgba(124, 58, 237, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Plus Jakarta Sans", system-ui, sans-serif;
    background: linear-gradient(180deg, var(--color-cream) 0%, #F0E9FF 40%, #E5DEFF 100%);
    color: var(--color-text);
    line-height: 1.5;
    position: relative;
}

/* Decorative background blobs */
body::before,
body::after {
    content: "";
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

body::before {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.25) 0%, transparent 70%);
    top: -120px;
    right: -80px;
}

body::after {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(253, 224, 71, 0.2) 0%, transparent 70%);
    bottom: -100px;
    left: -80px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px;
    position: relative;
    z-index: 1;
}

/* Typography */
h1 {
    margin-bottom: 8px;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
}

h1::after {
    content: "";
    display: block;
    width: 48px;
    height: 4px;
    margin-top: 8px;
    background: linear-gradient(90deg, var(--color-purple), var(--color-yellow-strong));
    border-radius: 2px;
}

h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 16px;
}

.subtitle {
    margin-top: 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Cards */
.card {
    position: relative;
    background: var(--color-white);
    border-radius: 16px;
    padding: 24px;
    padding-left: 28px;
    margin-top: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(124, 58, 237, 0.06);
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--color-purple), var(--color-yellow-strong));
    border-radius: 16px 0 0 16px;
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
}

/* Form */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

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

label {
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text);
}

input,
select {
    padding: 10px 14px;
    border-radius: 12px;
    border: 1.5px solid var(--color-border);
    font-size: 14px;
    font-family: inherit;
    background: var(--color-white);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:hover,
select:hover {
    border-color: var(--color-purple-pastel);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--color-purple);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

/* Buttons */
button {
    cursor: pointer;
    border: none;
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
}

button:hover {
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
}

/* Primary — Save Log */
button[type="submit"] {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 50%, #6D28D9 100%);
    color: var(--color-white);
}

button[type="submit"]:hover {
    background: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.35);
}

/* Secondary — Analyze, etc. */
button.secondary {
    background: var(--color-purple-pastel);
    color: #5B21B6;
}

button.secondary:hover {
    background: #C4B5FD;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
}

/* Predict Risk — yellow accent */
button.predict-btn {
    background: var(--color-yellow-soft);
    color: #854D0E;
}

button.predict-btn:hover {
    background: var(--color-yellow-medium);
    box-shadow: 0 2px 8px rgba(234, 179, 8, 0.25);
}

/* Danger — Clear All */
button.danger {
    background: var(--color-pink-pastel);
    color: #9D174D;
}

button.danger:hover {
    background: var(--color-pink-medium);
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.25);
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    max-height: 320px;
    overflow-y: auto;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0;
}

th,
td {
    border-bottom: 1px solid var(--color-border);
    padding: 12px 14px;
    text-align: left;
    font-size: 14px;
}

th {
    background: var(--color-cream);
    font-weight: 600;
    color: var(--color-text);
    position: sticky;
    top: 0;
    z-index: 1;
}

tbody tr:hover {
    background: var(--color-purple-tint);
}

td.meltdown-yes {
    font-weight: 600;
    color: #9D174D;
    background: rgba(252, 231, 243, 0.5);
}

td.meltdown-no {
    color: var(--color-text-muted);
}

.saved-logs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.saved-logs-header h2 {
    margin-bottom: 0;
}

button.compact {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.log-delete-cell {
    width: 36px;
    padding: 6px 8px !important;
    vertical-align: middle;
}

.log-delete-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 6px;
    font-size: 1.2rem;
    line-height: 1;
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid transparent;
    transition: color 0.2s, background 0.2s;
}

.log-delete-btn:hover {
    background: var(--color-pink-pastel);
    color: #9D174D;
    border-color: rgba(236, 72, 153, 0.3);
}

#emptyState {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.insights-prompt {
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--color-purple-tint);
    border-radius: 12px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.insights-prompt strong {
    color: var(--color-purple);
}

/* Insight boxes */
.insight-box {
    background: var(--color-purple-tint);
    border-left: 4px solid var(--color-purple);
    padding: 14px 16px;
    margin-bottom: 12px;
    border-radius: 12px;
    font-size: 0.9rem;
}

.insight-box strong {
    color: #5B21B6;
}

.insight-box em {
    color: var(--color-text-muted);
}

.warning-box {
    background: var(--color-amber-pastel);
    border-left: 4px solid var(--color-amber-strong);
    padding: 14px 16px;
    margin-bottom: 12px;
    border-radius: 12px;
    font-size: 0.9rem;
}

.warning-box strong {
    color: #92400E;
}

/* Disclaimer — soft pink */
.disclaimer-box {
    background: #FCE7F3;
    border-left: 4px solid #DB2777;
    padding: 14px 16px;
    margin-bottom: 12px;
    border-radius: 12px;
    font-size: 0.9rem;
}

.disclaimer-box strong {
    color: #9D174D;
}

/* Contributor chart (prediction risk factors) */
.contributor-chart-wrap {
    margin-top: 16px;
    padding: 16px;
    background: rgba(237, 233, 254, 0.5);
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
}

.contributor-chart-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.contributor-chart-wrap canvas {
    height: 180px !important;
}

/* What-if scenarios */
.what-if-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(124, 58, 237, 0.15);
}

.what-if-title {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.what-if-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.what-if-btn {
    padding: 8px 14px;
    font-size: 0.85rem;
    background: var(--color-purple-tint);
    color: #5B21B6;
    border: 1px solid rgba(124, 58, 237, 0.25);
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: background 0.2s, transform 0.15s;
}

.what-if-btn:hover {
    background: var(--color-purple-pastel);
    transform: translateY(-1px);
}

/* Nested card inside insights (chart container) */
.card .card {
    margin-top: 16px;
    background:
        radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.03) 1px, transparent 1px),
        linear-gradient(135deg, #FFFBEB 0%, #F5F0FF 50%, #EDE9FE 100%);
    background-size: 24px 24px, 100% 100%;
    border: 1px solid rgba(124, 58, 237, 0.12);
    padding: 20px;
}

.card .card h2 {
    margin-bottom: 12px;
}

/* ============================================
   Help Chatbot
   ============================================ */

.chatbot-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--color-purple), var(--color-yellow-strong));
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: transform 0.2s, box-shadow 0.2s;
}

.chatbot-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(124, 58, 237, 0.5);
}

.chatbot-panel {
    position: fixed;
    bottom: 90px;
    right: 24px;
    width: 380px;
    max-width: calc(100vw - 48px);
    height: 520px;
    max-height: calc(100vh - 120px);
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.96);
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
    border: 1px solid rgba(124, 58, 237, 0.12);
    overflow: hidden;
}

.chatbot-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chatbot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--color-purple-tint) 0%, rgba(255, 251, 235, 0.8) 100%);
    border-bottom: 1px solid rgba(124, 58, 237, 0.1);
}

.chatbot-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
}

.chatbot-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-close:hover {
    background: rgba(124, 58, 237, 0.1);
    color: var(--color-purple);
}

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chatbot-msg {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.chatbot-msg.bot {
    align-self: flex-start;
    background: var(--color-purple-tint);
    color: var(--color-text);
    border-bottom-left-radius: 4px;
}

.chatbot-msg.user {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--color-purple-pastel), var(--color-purple-tint));
    color: #5B21B6;
}

.chatbot-msg.bot h3,
.chatbot-msg.bot h4 {
    margin: 12px 0 6px;
    font-size: 0.95rem;
    color: #5B21B6;
}

.chatbot-msg.bot h3:first-child,
.chatbot-msg.bot h4:first-child {
    margin-top: 0;
}

.chatbot-msg.bot p {
    margin: 0 0 8px;
}

.chatbot-msg.bot p:last-child {
    margin-bottom: 0;
}

.chatbot-msg.bot ul,
.chatbot-msg.bot ol {
    margin: 6px 0;
    padding-left: 20px;
}

.chatbot-msg.bot li {
    margin-bottom: 4px;
}

.chatbot-msg.bot strong {
    color: #5B21B6;
}

.chatbot-msg.typing {
    align-self: flex-start;
}

.chatbot-typing-dots {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.chatbot-typing-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-purple);
    animation: chatbot-bounce 1.4s ease-in-out infinite;
}

.chatbot-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.chatbot-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes chatbot-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

.chatbot-quick-prompts {
    padding: 0 16px 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chatbot-quick-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
    background: var(--color-purple-tint);
    color: #5B21B6;
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s;
}

.chatbot-quick-btn:hover {
    background: var(--color-purple-pastel);
}

.chatbot-input-wrap {
    display: flex;
    gap: 8px;
    padding: 12px 16px 16px;
    border-top: 1px solid rgba(124, 58, 237, 0.1);
}

.chatbot-input-wrap textarea {
    flex: 1;
    padding: 10px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: 12px;
    font-family: inherit;
    font-size: 14px;
    resize: none;
    min-height: 44px;
    max-height: 120px;
}

.chatbot-input-wrap textarea:focus {
    outline: none;
    border-color: var(--color-purple);
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.15);
}

.chatbot-send {
    padding: 10px 18px;
    background: var(--color-purple);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
}

.chatbot-send:hover {
    background: #6D28D9;
}

.chatbot-send:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}