/* Modern CSS Reset & Variable Definitions */
:root {
    --bg-main: hsl(224, 25%, 7%);
    --bg-sidebar: hsl(224, 20%, 10%);
    --bg-card: hsl(224, 20%, 12%);
    --bg-input: hsl(224, 20%, 14%);
    
    /* Glassmorphism settings */
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: rgba(0, 0, 0, 0.35);
    
    /* Accent & Brand Colors matching Logo 2 (Vibrant Cyan/Teal) */
    --accent: hsl(185, 100%, 45%);
    --accent-hover: hsl(185, 100%, 52%);
    --accent-glow: rgba(0, 242, 254, 0.35);
    
    --brand-gradient: linear-gradient(135deg, hsl(188, 100%, 50%) 0%, hsl(340, 95%, 60%) 100%);
    --brand-gradient-hover: linear-gradient(135deg, hsl(188, 100%, 58%) 0%, hsl(340, 95%, 68%) 100%);
    
    --success: hsl(150, 80%, 38%);
    --success-bg: rgba(16, 185, 129, 0.15);
    --warning: hsl(35, 90%, 52%);
    --warning-bg: rgba(245, 158, 11, 0.15);
    --error: hsl(350, 75%, 52%);
    --error-bg: rgba(239, 68, 68, 0.15);
    
    --text-primary: hsl(210, 20%, 98%);
    --text-secondary: hsl(215, 15%, 72%);
    --text-muted: hsl(215, 12%, 50%);
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 14px;
    --border-radius-lg: 24px;
}

* {
    margin: 0;
    padding: 0;
    box-gradient: border-box;
    box-sizing: border-box;
    outline: none;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh; /* Fallback */
    height: 100dvh;
    width: 100vw;
    -webkit-font-smoothing: antialiased;
}

/* App Layout Container */
.app-container {
    display: flex;
    height: 100vh; /* Fallback */
    height: 100dvh;
    width: 100vw;
    position: relative;
    overflow: hidden;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* SIDEBAR STYLING */
.sidebar {
    width: 320px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 10;
    transition: var(--transition-smooth);
    overflow: hidden;
}

.sidebar-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-img {
    height: 32px;
    width: 32px;
    min-width: 32px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.25));
    transition: var(--transition-smooth);
}

.logo:hover .logo-img {
    transform: rotate(5deg) scale(1.05);
}

.mobile-close-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
}

/* Status Panel */
.status-section, .stats-section, .suggestions-section {
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
}

.sidebar h3 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 14px;
    font-weight: 600;
}

.status-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.badge {
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-success {
    background-color: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background-color: var(--warning-bg);
    color: var(--warning);
    animation: pulse-warning 2.5s infinite alternate;
}

.badge-error {
    background-color: var(--error-bg);
    color: var(--error);
}

@keyframes pulse-warning {
    0% { opacity: 0.85; }
    100% { opacity: 1; filter: drop-shadow(0 0 4px rgba(245, 158, 11, 0.4)); }
}

/* Cached Data Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}

.stat-box {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition-smooth);
}

.stat-box:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.stat-box i {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 8px;
    opacity: 0.85;
}

.stat-val {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sync-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.last-sync-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
}

/* Suggested pills */
.suggestions-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.suggestion-pill {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    padding: 10px 12px;
    font-size: 0.85rem;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    min-height: 44px;
}

.suggestion-pill:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    transform: translateX(3px);
}

.suggestion-pill i {
    font-size: 0.9rem;
    opacity: 0.7;
    color: var(--accent);
}

/* Sidebar Footer Controls */
.sidebar-footer {
    margin-top: auto;
    padding: 16px 24px;
    display: flex;
    gap: 12px;
    border-top: 1px solid var(--glass-border);
}

#settingsToggleBtn {
    flex: 1;
}

/* MAIN CHAT STYLING */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    background: radial-gradient(circle at 50% 10%, hsl(224, 25%, 11%) 0%, var(--bg-main) 100%);
    min-width: 0;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.chat-header {
    height: 70px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    background: rgba(14, 18, 27, 0.4);
    z-index: 5;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
}

.header-title h2 {
    font-size: 1.05rem;
    font-weight: 600;
}

.header-title p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sync-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--warning);
    background: var(--warning-bg);
    padding: 4px 10px;
    border-radius: 12px;
    animation: fade-in 0.2s ease;
}

.hidden {
    display: none !important;
}

/* Welcome Panel */
.welcome-card {
    max-width: 600px;
    margin: auto;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px var(--glass-shadow);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    animation: slide-up 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.welcome-logo-img {
    height: 110px;
    width: 110px;
    min-width: 110px;
    object-fit: contain;
    filter: drop-shadow(0 0 24px rgba(168, 85, 247, 0.45)) drop-shadow(0 0 8px rgba(0, 242, 254, 0.35));
    margin-bottom: 12px;
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

.welcome-card h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.welcome-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.setup-notice {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 16px;
    background-color: var(--error-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--border-radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 14px;
    width: 100%;
}

.setup-notice i {
    color: var(--error);
    font-size: 1.4rem;
}

/* Chat History Window */
.chat-window {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.message-bubble {
    display: flex;
    gap: 16px;
    max-width: 800px;
    width: 100%;
    min-width: 0;
    animation: fade-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.message-bubble.user {
    align-self: flex-end;
    justify-content: flex-end;
}

.message-bubble.gemini {
    align-self: flex-start;
    justify-content: flex-start;
    width: 100%;
}

.avatar {
    display: none !important;
}

.message-content {
    padding: 14px 18px;
    border-radius: var(--border-radius-md);
    font-size: 0.95rem;
    line-height: 1.6;
    word-break: break-word;
    min-width: 0;
}

.user .message-content {
    background: var(--brand-gradient);
    color: white;
    border-top-right-radius: 2px;
    max-width: 85%;
    width: auto;
}

.gemini .message-content {
    background: transparent;
    border: none;
    box-shadow: none;
    color: var(--text-primary);
    padding: 14px 0;
    max-width: 100%;
    width: 100%;
}

.gemini.typing-indicator-bubble .message-content {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    padding: 14px 22px;
    border-radius: var(--border-radius-md);
    max-width: 100px;
    width: auto;
}

/* Markdown parsing output layout */
.message-content p {
    margin-bottom: 12px;
}
.message-content p:last-child {
    margin-bottom: 0;
}
.message-content ul, .message-content ol {
    margin-left: 20px;
    margin-bottom: 12px;
}
.message-content li {
    margin-bottom: 4px;
}
.chat-table-wrapper {
    overflow-x: auto;
    width: 100%;
    max-width: 100%;
    margin: 16px 0;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.15);
    -webkit-overflow-scrolling: touch;
}
.message-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 0;
    font-size: 0.85rem;
    min-width: 650px;
}
.message-content th, .message-content td {
    border: 1px solid var(--glass-border);
    padding: 8px 12px;
    text-align: left;
}
.message-content th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    white-space: nowrap;
}
.message-content tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}
.message-content code {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 5px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9em;
}

/* Typing Indicator */
.typing-indicator-bubble {
    align-self: flex-start;
}

.typing-dots {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 14px 22px;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background-color: var(--text-muted);
    border-radius: 50%;
    display: inline-block;
    animation: typing-dot 1.4s infinite ease-in-out both;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-dot {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Chat Input Bar */
.chat-input-area {
    padding: 16px 24px 30px;
    backdrop-filter: blur(10px);
    background: linear-gradient(to top, var(--bg-main) 70%, rgba(14, 18, 27, 0));
}

.plan-sync-banner {
    max-width: 800px;
    margin: 0 auto 12px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.12) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid rgba(6, 182, 212, 0.25);
    border-radius: var(--border-radius-md);
    padding: 10px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: fade-in 0.3s ease;
}

.plan-sync-banner.hidden {
    display: none !important;
}

.close-banner-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 50%;
    transition: var(--transition-smooth);
    width: 28px;
    height: 28px;
}

.close-banner-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.banner-text {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.banner-text i {
    font-size: 1rem;
}

#chatForm {
    max-width: 800px;
    margin: auto;
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 8px 14px;
    display: flex;
    align-items: flex-end;
    gap: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
}

#chatForm:focus-within {
    border-color: var(--accent);
    box-shadow: 0 10px 25px var(--accent-glow), 0 0 0 2px rgba(0, 242, 254, 0.1);
}

#chatInput {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    resize: none;
    max-height: 200px;
    padding: 10px 0;
    line-height: 1.4;
}

/* Buttons and Controls */
.btn {
    border-radius: var(--border-radius-sm);
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: var(--transition-smooth);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
}

.btn-primary {
    background: var(--brand-gradient);
    color: white;
}

.btn-primary:hover {
    background: var(--brand-gradient-hover);
    box-shadow: 0 0 16px rgba(168, 85, 247, 0.4);
}

.btn-danger {
    background-color: var(--error);
    color: white;
}

.btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.85);
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    min-height: 44px;
}

.btn-block {
    width: 100%;
}

.send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--brand-gradient);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-bottom: 4px;
}

.send-btn:hover:not(:disabled) {
    background: var(--brand-gradient-hover);
    transform: scale(1.05);
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.35);
}

.send-btn:disabled {
    background: var(--bg-card) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed;
    box-shadow: none !important;
}

/* GLASSMORPHIC MODALS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(8, 10, 15, 0.65);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
    animation: fade-in 0.25s ease-out;
}

.modal-overlay.hidden,
.hidden {
    display: none !important;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 550px;
    display: flex;
    flex-direction: column;
    animation: scale-up 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-card.modal-sm {
    max-width: 400px;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.modal-body {
    padding: 24px;
    max-height: 75vh;
    overflow-y: auto;
}

/* Forms styling inside modals */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input, .form-group select {
    background-color: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 10px 14px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-divider {
    border: 0;
    height: 1px;
    background: var(--glass-border);
    margin: 24px 0;
}

.help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.help-text a {
    color: var(--accent);
    text-decoration: none;
}

.help-text a:hover {
    text-decoration: underline;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* MFA Specific style */
.mfa-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 20px;
    text-align: center;
}

.mfa-code-group input {
    text-align: center;
    font-size: 2rem;
    letter-spacing: 6px;
    padding: 14px;
    font-weight: 700;
    border-radius: var(--border-radius-md);
}

/* Keyframe animations */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scale-up {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* NAVIGATION & DASHBOARD STYLE SYSTEM */
.nav-section {
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    text-align: left;
    width: 100%;
    min-height: 44px;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 15px var(--accent-glow);
    border-color: rgba(255, 255, 255, 0.1);
}

.view-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    animation: fade-in 0.3s ease;
    min-width: 0;
}

.view-wrapper.hidden {
    display: none !important;
}

.dashboard-scroll-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    height: 100%;
}

.dashboard-grid-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

/* Gemini Daily Brief Card styling */
.gemini-brief-card {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.12) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid rgba(6, 182, 212, 0.25) !important;
    box-shadow: 0 8px 32px rgba(6, 182, 212, 0.08);
    margin-bottom: 8px;
}

/* T3 Ski Report Card */
.ski-report-card {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid rgba(6, 182, 212, 0.2) !important;
    box-shadow: 0 8px 32px rgba(6, 182, 212, 0.06);
    margin-bottom: 16px;
    animation: fade-in 0.4s ease-out;
}

/* 3D Holo-Map view toggles */
.view-toggle-btn {
    transition: var(--transition-smooth);
}
.view-toggle-btn:hover {
    color: var(--text-primary) !important;
    background: rgba(255, 255, 255, 0.05) !important;
}
.view-toggle-btn.active {
    background: rgba(255, 255, 255, 0.08) !important;
    color: white !important;
}

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

.brief-badge {
    background: var(--brand-gradient);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.25);
}

.brief-badge i {
    font-size: 0.85rem;
}

.brief-timestamp {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.brief-content {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Shimmer animation for loading states */
.shimmer-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.shimmer-line {
    height: 14px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 25%, rgba(255, 255, 255, 0.12) 50%, rgba(255, 255, 255, 0.05) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: 4px;
    width: 100%;
}

.shimmer-line.short {
    width: 60%;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Scroll Container for Charts */
.chart-scroll-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    border-radius: var(--border-radius-sm);
}

.chart-scroll-container .chart-container-inner {
    min-width: 600px;
}

/* Quick Action Chips */
.quick-actions-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
}

.quick-actions-section h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quick-action-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.action-chip {
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px; /* Touch target */
}

.action-chip:hover {
    background: rgba(6, 182, 212, 0.15);
    border-color: rgba(6, 182, 212, 0.35);
    box-shadow: 0 0 10px var(--accent-glow);
    transform: translateY(-1px);
}

.action-chip i {
    color: var(--accent);
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.summary-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.summary-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.summary-card .card-info {
    display: flex;
    flex-direction: column;
}

.summary-card .card-val {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.summary-card .card-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--glass-shadow);
}

.chart-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chart-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.chart-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.chart-header-left h3 {
    font-size: 1.15rem;
    font-weight: 600;
}

.activity-selector-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.activity-selector-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.styled-select {
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-sans);
    cursor: pointer;
    font-size: 0.85rem;
    min-height: 44px;
}

.styled-select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

.chart-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Custom Checkboxes */
.checkbox-container {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    min-height: 44px;
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 1px solid var(--glass-border);
    background: var(--bg-input);
    position: relative;
    transition: var(--transition-smooth);
}

.checkbox-container input:checked + .checkmark {
    border-color: transparent;
}

.hr-check {
    background: var(--bg-input);
    border-color: rgba(239, 68, 68, 0.4);
}
.checkbox-container input:checked + .hr-check {
    background: hsl(350, 75%, 52%);
}

.pace-check {
    background: var(--bg-input);
    border-color: rgba(6, 182, 212, 0.4);
}
.checkbox-container input:checked + .pace-check {
    background: var(--accent);
}

.elev-check {
    background: var(--bg-input);
    border-color: rgba(16, 185, 129, 0.4);
}
.checkbox-container input:checked + .elev-check {
    background: hsl(150, 80%, 38%);
}

.chart-container-inner {
    position: relative;
    height: 350px;
    width: 100%;
}

.chart-error {
    color: var(--error);
    background: var(--error-bg);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    text-align: center;
}

/* Trend Tabs */
.trend-tabs {
    display: flex;
    background: var(--bg-input);
    padding: 4px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--glass-border);
}

.trend-tab {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: var(--transition-smooth);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.trend-tab.active {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

/* RESPONSIVE LAYOUT (MOBILE OPTIMIZATIONS) */
@media (max-width: 1024px) or (max-height: 550px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-close-btn {
        display: block;
    }
    
    .sidebar {
        position: fixed;
        left: -320px;
        top: 0;
        bottom: 0;
        height: 100dvh;
        width: 320px;
        z-index: 1000;
        box-shadow: 10px 0 40px rgba(0, 0, 0, 0.5);
        background-color: var(--bg-sidebar);
        transition: var(--transition-smooth);
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .close-btn, .mobile-close-btn, .mobile-menu-btn {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .welcome-card {
        padding: 24px 16px;
        border-radius: var(--border-radius-md);
    }
    
    .welcome-card h1 {
        font-size: 1.5rem;
    }
    
    .chat-window {
        padding: 16px;
        gap: 16px;
    }
    
    .message-bubble {
        gap: 10px;
    }
    
    .message-content {
        padding: 10px 14px;
        max-width: 100%;
    }
    
    .user .message-content {
        max-width: 85%;
    }
    
    .gemini .message-content {
        padding: 10px 0;
        max-width: 100%;
    }
    
    .chat-input-area {
        padding: 10px 12px 20px;
    }
    
    #chatForm {
        border-radius: var(--border-radius-md);
        padding: 6px 10px;
    }
    
    /* Dashboard Mobile Adjustments */
    .dashboard-scroll-area {
        padding: 16px;
        gap: 16px;
    }
    
    .dashboard-card {
        padding: 16px;
    }
    
    /* 2x2 Grid for summary metrics on mobile */
    .dashboard-grid-summary {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .summary-card {
        padding: 14px 12px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .summary-card .card-icon {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
    
    .summary-card .card-val {
        font-size: 1.15rem;
        line-height: 1.2;
    }
    
    .summary-card .card-label {
        font-size: 0.7rem;
        line-height: 1.3;
    }
    
    .chart-header-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .chart-header-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        width: 100%;
    }
    
    .activity-selector-group {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .styled-select {
        width: 100%;
    }
    
    /* Segmented/scrollable trend tabs on mobile */
    .trend-tabs {
        width: 100%;
        flex-direction: row;
        gap: 4px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .trend-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .trend-tab {
        flex: 1;
        flex-shrink: 0;
        min-width: 110px;
        white-space: nowrap;
        padding: 8px 12px;
        font-size: 0.75rem;
    }
    
    /* Pill button checkboxes on mobile */
    .chart-controls {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
        width: 100%;
    }
    
    .checkbox-container {
        width: 100%;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid var(--glass-border);
        padding: 6px 4px;
        border-radius: 20px;
        font-size: 0.72rem;
        min-height: 38px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
    }
    
    .chart-container-inner {
        height: 240px;
    }
}