:root {
    --bg-color: #0b0e14;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    
    --glass-bg: rgba(17, 24, 39, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    justify-content: center;
}

/* Background animated orbs for rich aesthetic */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-primary);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: -150px;
    right: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: #ec4899;
    top: 40%;
    left: 60%;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Main Layout */
.container {
    width: 100%;
    max-width: 1280px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 1rem;
    animation: fadeInDown 0.8s ease-out forwards;
}

.header h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.header .highlight {
    background: linear-gradient(135deg, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Glassmorphism Panels */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    transition: box-shadow 0.3s ease;
}

.glass-panel:hover {
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
}

.dashboard {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

/* Forms and Controls */
.form-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-end;
}

.input-container {
    flex: 1;
    min-width: 250px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-container label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input, select {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    height: 48px;
    transition: all 0.3s ease;
    outline: none;
    appearance: none;
}

select {
    cursor: pointer;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f8fafc' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

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

input:focus, select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background-color: rgba(0, 0, 0, 0.4);
}

input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    opacity: 0.6;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
    border-radius: 10px;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 160px;
    height: 48px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-text {
    position: relative;
    z-index: 1;
}

/* Chart Area */
.chart-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 600px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.chart-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
}

.status-indicator {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.status-indicator.success {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.status-indicator.error {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.chart-container {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    min-height: 400px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-secondary);
    gap: 1rem;
    animation: fadeIn 0.5s ease;
}

.empty-state svg {
    opacity: 0.5;
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Loader */
.loader {
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top: 3px solid white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    position: relative;
    z-index: 1;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Disclaimer Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    animation: fadeIn 0.3s ease;
}

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

.modal-card {
    max-width: 540px;
    width: 100%;
    padding: 2.5rem;
    text-align: center;
    animation: modalSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-icon {
    margin-bottom: 1rem;
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-body {
    text-align: left;
    margin-bottom: 2rem;
}

.modal-body > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.modal-body strong {
    color: var(--text-primary);
}

.modal-note {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    background: rgba(234, 179, 8, 0.08);
    border: 1px solid rgba(234, 179, 8, 0.2);
    border-radius: 12px;
    padding: 1rem 1.25rem;
}

.note-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.modal-note p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.modal-note strong {
    color: #fbbf24;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.modal-btn {
    flex: 1;
    height: 48px;
    border-radius: 12px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.modal-btn-decline {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #f87171;
}

.modal-btn-decline:hover {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.7);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
}

/* Disabled state for declined users */
.site-disabled .controls {
    opacity: 0.4;
    pointer-events: none;
    filter: grayscale(0.5);
}

.site-disabled .controls::after {
    content: 'Access declined — please reload and accept the disclaimer to use this tool.';
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    color: #f87171;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    padding: 2rem;
    z-index: 10;
}

.controls {
    position: relative;
}

/* Clear date button hover */
#clearDateBtn:hover {
    border-color: rgba(239, 68, 68, 0.5) !important;
    color: #f87171 !important;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    .header h1 {
        font-size: 2.2rem;
    }
    .form-group {
        flex-direction: column;
        align-items: stretch;
    }
    .btn-primary {
        width: 100%;
    }
}