/* Jyotish Guru - Vedic Astrology Chat Interface */

/* Root Variables */
:root {
    --primary-color: #4a148c;
    --primary-light: #7c43bd;
    --primary-dark: #311b60;
    --accent-color: #ffc107;
    --accent-dark: #c79100;
    --bg-color: #f5f5f7;
    --chat-bg: #ffffff;
    --user-bubble: #4a148c;
    --bot-bubble: #f0e6ff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #999999;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    min-height: 100vh;
    color: var(--text-primary);
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 900px;
    margin: 0 auto;
    background: var(--chat-bg);
    box-shadow: var(--shadow-lg);
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: var(--shadow);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 32px;
    color: var(--accent-color);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.session-info {
    font-size: 14px;
    opacity: 0.9;
}

#user-name-display {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 12px;
    border-radius: 20px;
}

/* Chat Container */
.chat-container {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-color);
    position: relative;
}

.messages-list {
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    min-height: 100%;
}

/* Messages */
.message {
    max-width: 85%;
    padding: 14px 18px;
    border-radius: var(--border-radius);
    animation: fadeIn 0.3s ease;
    line-height: 1.5;
    word-wrap: break-word;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    align-self: flex-end;
    background: var(--user-bubble);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.bot {
    align-self: flex-start;
    background: var(--chat-bg);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow);
}

.message.error {
    background: #ffebee;
    border-left: 4px solid #f44336;
}

/* Markdown Content in Bot Messages */
.message.bot h1, .message.bot h2, .message.bot h3, .message.bot h4 {
    color: var(--primary-color);
    margin: 16px 0 8px 0;
}

.message.bot h1 { font-size: 1.5em; }
.message.bot h2 { font-size: 1.3em; }
.message.bot h3 { font-size: 1.15em; }
.message.bot h4 { font-size: 1em; }

.message.bot p {
    margin: 8px 0;
}

.message.bot ul, .message.bot ol {
    margin: 8px 0;
    padding-left: 24px;
}

.message.bot li {
    margin: 4px 0;
}

.message.bot strong {
    color: var(--primary-color);
}

.message.bot hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 16px 0;
}

/* Tables */
.message.bot table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
    overflow-x: auto;
    display: block;
}

.message.bot th, .message.bot td {
    border: 1px solid var(--border-color);
    padding: 10px 12px;
    text-align: left;
}

.message.bot th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.message.bot tr:nth-child(even) {
    background: var(--bg-color);
}

.message.bot tr:hover {
    background: var(--bot-bubble);
}

/* Code Blocks and ASCII Charts */
.message.bot pre, .message.bot code {
    font-family: 'Courier New', Consolas, monospace;
    background: #1a1a2e;
    color: #00ff88;
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
}

.message.bot pre {
    padding: 16px;
    margin: 12px 0;
    white-space: pre;
    font-size: 13px;
    line-height: 1.4;
}

.message.bot code {
    padding: 2px 6px;
    font-size: 0.9em;
}

.message.bot pre code {
    padding: 0;
    background: none;
}

/* Loading Indicator */
.loading-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--chat-bg);
    padding: 12px 24px;
    border-radius: 30px;
    box-shadow: var(--shadow);
    color: var(--primary-color);
    font-size: 14px;
}

.loading-indicator.hidden {
    display: none;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Reports Panel */
.reports-panel {
    background: var(--chat-bg);
    border-top: 1px solid var(--border-color);
    padding: 16px 20px;
    max-height: 200px;
    overflow-y: auto;
}

.reports-panel.hidden {
    display: none;
}

.reports-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.reports-header h3 {
    color: var(--primary-color);
    font-size: 16px;
    font-weight: 600;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
}

.toggle-btn:hover {
    color: var(--primary-color);
}

.reports-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.report-download-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.report-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.report-download-btn .icon {
    font-size: 16px;
}

/* Input Area */
.input-area {
    padding: 16px 20px;
    background: var(--chat-bg);
    border-top: 1px solid var(--border-color);
}

.input-container {
    display: flex;
    gap: 12px;
    align-items: center;
}

#message-input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--border-color);
    border-radius: 30px;
    font-size: 16px;
    outline: none;
    transition: var(--transition);
}

#message-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 20, 140, 0.1);
}

#message-input::placeholder {
    color: var(--text-light);
}

.send-button {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.send-button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.send-button:active {
    transform: scale(0.95);
}

.input-hint {
    text-align: center;
    font-size: 13px;
    color: var(--text-light);
    margin-top: 8px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--chat-bg);
    padding: 40px;
    border-radius: 20px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    margin-bottom: 20px;
}

.modal-icon {
    font-size: 48px;
    color: var(--accent-color);
    display: block;
    margin-bottom: 12px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.modal-content h2 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 8px;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.5;
}

.modal-subtitle {
    font-size: 14px;
    margin-bottom: 24px !important;
}

.modal-input-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#user-name-input {
    padding: 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 18px;
    text-align: center;
    outline: none;
    transition: var(--transition);
}

#user-name-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 20, 140, 0.1);
}

.start-button {
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
    color: var(--primary-dark);
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.start-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.start-button:active {
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-header {
        padding: 12px 16px;
    }

    .logo h1 {
        font-size: 20px;
    }

    .logo-icon {
        font-size: 28px;
    }

    .messages-list {
        padding: 16px;
    }

    .message {
        max-width: 90%;
        padding: 12px 14px;
    }

    .message.bot table {
        font-size: 12px;
    }

    .message.bot th, .message.bot td {
        padding: 8px;
    }

    .message.bot pre {
        font-size: 11px;
        padding: 12px;
    }

    .input-area {
        padding: 12px 16px;
    }

    #message-input {
        padding: 12px 16px;
        font-size: 16px;
    }

    .send-button {
        width: 44px;
        height: 44px;
    }

    .modal-content {
        padding: 30px 24px;
    }

    .modal-content h2 {
        font-size: 24px;
    }

    .report-download-btn {
        padding: 8px 12px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .session-info {
        display: none;
    }

    .message {
        max-width: 95%;
    }

    .reports-list {
        flex-direction: column;
    }

    .report-download-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}