/* ============================================
   Investment Game - MOST FINANCE Style
   Light Theme with Brand Colors
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
    /* Brand Colors - Blue Gradient Theme */
    --primary: #3B4B96;
    --primary-light: #5B7CE8;
    --primary-dark: #2A3A7D;
    --accent: #4A5FC1;
    --accent-light: #6B82E8;
    --accent-dark: #3A4FA1;

    /* Light Theme Neutrals */
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    --bg-card: #FFFFFF;
    --text-primary: #1A1F36;
    --text-secondary: #4A5568;
    --text-muted: #718096;

    /* Sector Colors */
    --ecommerce: #E53E3E;
    --logistics: #805AD5;
    --services: #0891B2;
    --agro: #059669;

    /* Status Colors */
    --success: #059669;
    --danger: #E53E3E;
    --warning: #DD6B20;
    --info: #0891B2;

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, #3B4B96 0%, #5B7CE8 50%, #4A5FC1 100%);
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-success: linear-gradient(135deg, #059669 0%, #34D399 100%);
    --gradient-danger: linear-gradient(135deg, #E53E3E 0%, #FC8181 100%);

    /* Shadows for Light Theme */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(59, 75, 150, 0.12);
    --shadow-lg: 0 8px 30px rgba(59, 75, 150, 0.15);
    --shadow-glow: 0 0 40px rgba(59, 75, 150, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    overscroll-behavior-x: none; /* Prevent browser back/forward swipe gesture */
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    overscroll-behavior-x: none; /* Prevent browser back/forward swipe gesture */
}

/* Subtle Background Pattern */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-gradient-1 {
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: radial-gradient(ellipse at 20% 30%, rgba(59, 75, 150, 0.06) 0%, transparent 50%);
    animation: float1 20s ease-in-out infinite;
}

.bg-gradient-2 {
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: radial-gradient(ellipse at 80% 70%, rgba(91, 124, 232, 0.05) 0%, transparent 50%);
    animation: float2 25s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-40px, 20px) rotate(-3deg); }
    66% { transform: translate(30px, -40px) rotate(3deg); }
}

/* Container */
.container {
    position: relative;
    z-index: 1;
}

/* Header */
header {
    animation: fadeInDown 0.8s ease;
}

header h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

header .lead {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Glass Card - Light Version */
.card {
    background: var(--bg-card);
    border: 1px solid rgba(59, 75, 150, 0.08) !important;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-brand);
}

.card-header {
    background: var(--bg-light) !important;
    border-bottom: 1px solid rgba(59, 75, 150, 0.08) !important;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header.bg-primary,
.card-header.bg-success,
.card-header.bg-info,
.card-header.bg-warning {
    background: var(--gradient-brand) !important;
    color: white !important;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #F6AD55 100%) !important;
}

.card-header.bg-success {
    background: var(--gradient-success) !important;
}

.card-header.bg-info {
    background: linear-gradient(135deg, var(--info) 0%, #22D3EE 100%) !important;
}

.card-header h3,
.card-header h4,
.card-header h5 {
    color: inherit;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: var(--bg-light) !important;
    border-top: 1px solid rgba(59, 75, 150, 0.08) !important;
    padding: 1rem 1.5rem;
}

/* Form Inputs */
.form-label {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.form-control {
    background: var(--bg-light);
    border: 2px solid rgba(59, 75, 150, 0.12);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    padding: 0.875rem 1rem;
    transition: var(--transition-base);
}

.form-control:focus {
    background: var(--bg-white);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 75, 150, 0.1);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
}

/* Buttons */
.btn {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    transition: var(--transition-base);
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    transform: none;
    background: var(--text-muted);
}

.btn-success {
    background: var(--gradient-success);
    border: none;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(5, 150, 105, 0.25);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 12px;
}

.btn-outline-light {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline-light:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Screens */
.screen {
    animation: fadeIn 0.5s ease;
}

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

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

/* Player Info Bar */
.card.bg-dark {
    background: var(--gradient-brand) !important;
    border: none !important;
}

.card.bg-dark::before {
    display: none;
}

.card.bg-dark .text-muted {
    color: rgba(255, 255, 255, 0.7) !important;
}

.card.bg-dark .text-success {
    color: #34D399 !important;
}

/* Sector Cards */
.sector-card {
    background: var(--bg-light);
    border: 2px solid rgba(59, 75, 150, 0.08) !important;
    border-radius: 16px;
    transition: var(--transition-base);
    touch-action: pan-y; /* Allow vertical scroll but prevent horizontal swipe */
}

.sector-card::before {
    display: none;
}

.sector-card:hover {
    background: var(--bg-white);
    border-color: rgba(59, 75, 150, 0.15) !important;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.sector-card.active {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 4px rgba(59, 75, 150, 0.1);
}

.sector-icon {
    font-size: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.sector-card[data-sector="ecommerce"] .sector-icon {
    background: linear-gradient(135deg, var(--ecommerce), #FC8181);
}

.sector-card[data-sector="logistics"] .sector-icon {
    background: linear-gradient(135deg, var(--logistics), #B794F4);
}

.sector-card[data-sector="services"] .sector-icon {
    background: linear-gradient(135deg, var(--services), #22D3EE);
}

.sector-card[data-sector="agro"] .sector-icon {
    background: linear-gradient(135deg, var(--agro), #34D399);
}

.sector-card h5 {
    font-weight: 600;
    color: var(--text-primary);
}

.sector-card .text-muted {
    color: var(--text-secondary) !important;
    font-size: 0.85rem;
}

/* Investment Input */
.investment-input {
    font-size: 1.1rem;
    font-weight: 700;
    text-align: right;
    color: var(--text-primary);
}

.input-group-text {
    background: var(--bg-light);
    border: 2px solid rgba(59, 75, 150, 0.12);
    border-right: none;
    color: var(--text-secondary);
    font-weight: 600;
}

.investment-input:focus + .input-group-text,
.input-group:focus-within .input-group-text {
    border-color: var(--primary);
}

/* Custom Range Slider */
.investment-slider,
.form-range {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(59, 75, 150, 0.12);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    touch-action: pan-y; /* Allow vertical scroll, prevent horizontal swipe-back */
}

.investment-slider::-webkit-slider-thumb,
.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(59, 75, 150, 0.25), 0 0 0 3px rgba(59, 75, 150, 0.1);
    transition: var(--transition-fast);
}

.investment-slider::-webkit-slider-thumb:hover,
.form-range::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(59, 75, 150, 0.3), 0 0 0 4px rgba(59, 75, 150, 0.15);
}

.investment-slider::-moz-range-thumb,
.form-range::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(59, 75, 150, 0.25), 0 0 0 3px rgba(59, 75, 150, 0.1);
}

/* Progress bar */
.progress {
    background: rgba(59, 75, 150, 0.1);
    border-radius: 10px;
    overflow: hidden;
    height: 12px;
}

.progress-bar {
    background: var(--gradient-primary);
    transition: width 0.3s ease, background 0.3s ease;
    font-weight: 600;
    font-size: 0.75rem;
}

.progress-bar.bg-success {
    background: var(--gradient-success) !important;
}

.progress-bar.bg-warning {
    background: linear-gradient(135deg, var(--warning), #F6AD55) !important;
}

.progress-bar.bg-danger {
    background: var(--gradient-danger) !important;
}

/* Summary Card */
.card.bg-light {
    background: var(--bg-light) !important;
    border: 1px solid rgba(59, 75, 150, 0.08) !important;
}

.card.bg-light::before {
    display: none;
}

/* Event Card */
.event-card {
    overflow: hidden;
}

.event-image-container {
    width: 100%;
    height: 200px;
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.event-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.event-image-small {
    width: 64px;
    height: 64px;
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.event-img-small {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Event Reminder Card */
.card.border-warning {
    border: 2px solid rgba(221, 107, 32, 0.3) !important;
    background: rgba(221, 107, 32, 0.05);
}

.card.border-warning::before {
    background: linear-gradient(135deg, var(--warning), #F6AD55);
}

/* Effect badges */
.effect-badge {
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
}

.effect-positive {
    background: rgba(5, 150, 105, 0.12);
    color: var(--success);
}

.effect-negative {
    background: rgba(229, 62, 62, 0.12);
    color: var(--danger);
}

.effect-neutral {
    background: rgba(59, 75, 150, 0.08);
    color: var(--text-muted);
}

/* Results table */
.table {
    color: var(--text-primary);
}

.table th {
    background: var(--bg-light);
    color: var(--text-primary);
    font-weight: 600;
    border-color: rgba(59, 75, 150, 0.08);
}

.table td {
    border-color: rgba(59, 75, 150, 0.08);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: rgba(59, 75, 150, 0.03);
}

.positive-change {
    color: var(--success) !important;
    font-weight: 700;
}

.negative-change {
    color: var(--danger) !important;
    font-weight: 700;
}

/* Alerts */
.alert {
    border-radius: 12px;
    border: none;
    font-weight: 500;
}

.alert-primary {
    background: rgba(59, 75, 150, 0.1);
    color: var(--primary);
    border: 1px solid rgba(59, 75, 150, 0.2);
}

.alert-info {
    background: rgba(8, 145, 178, 0.1);
    color: var(--info);
    border: 1px solid rgba(8, 145, 178, 0.2);
}

.alert-warning {
    background: rgba(221, 107, 32, 0.1);
    color: var(--warning);
    border: 1px solid rgba(221, 107, 32, 0.2);
}

.alert-success {
    background: rgba(5, 150, 105, 0.1);
    color: var(--success);
    border: 1px solid rgba(5, 150, 105, 0.2);
}

.alert-danger {
    background: rgba(229, 62, 62, 0.1);
    color: var(--danger);
    border: 1px solid rgba(229, 62, 62, 0.2);
}

/* Stat boxes */
.stat-box {
    padding: 1.25rem;
    background: var(--bg-light);
    border-radius: 16px;
    border: 1px solid rgba(59, 75, 150, 0.08);
    text-align: center;
}

.stat-box small {
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
}

.stat-box h3,
.stat-box h4 {
    color: var(--text-primary);
    font-weight: 700;
    margin: 0.5rem 0 0;
}

/* Final screen */
#final-header.winner {
    background: var(--gradient-success) !important;
}

#final-header.loser {
    background: var(--gradient-danger) !important;
}

/* Initial Preferences Card */
#initial-preferences {
    background: var(--bg-card);
    border: 1px solid rgba(59, 75, 150, 0.08);
    border-radius: 16px;
}

/* History accordion */
.accordion-item {
    background: var(--bg-card);
    border: 1px solid rgba(59, 75, 150, 0.08) !important;
    border-radius: 12px !important;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.accordion-button {
    background: var(--bg-light);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.accordion-button:not(.collapsed) {
    background: rgba(59, 75, 150, 0.08);
    color: var(--primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(59, 75, 150, 0.12);
}

.accordion-body {
    padding: 1.25rem;
}

/* Badges */
.badge {
    font-weight: 600;
    padding: 0.5em 0.75em;
    border-radius: 8px;
}

.badge.bg-info {
    background: var(--gradient-brand) !important;
}

.badge.bg-secondary {
    background: var(--text-muted) !important;
}

/* Loading spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Money formatting */
.money {
    font-family: 'Montserrat', monospace;
    font-weight: 700;
}

/* Footer */
footer {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sector-icon {
        font-size: 1.8rem;
        width: 42px;
        height: 42px;
    }

    .event-image-container {
        /* height: 150px; */
        font-size: 4rem;
    }

    .stat-box h3, .stat-box h4 {
        font-size: 1.1rem;
    }

    .card-body {
        padding: 1rem;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
    }
}

@media (max-width: 576px) {
    header h1 {
        font-size: 1.5rem;
    }

    .card {
        border-radius: 16px;
    }

    .sector-card {
        border-radius: 12px;
    }
}

/* Utility classes */
.text-primary {
    color: var(--primary) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.bg-primary {
    background: var(--gradient-brand) !important;
}

.bg-success {
    background: var(--gradient-success) !important;
}

.bg-danger {
    background: var(--gradient-danger) !important;
}

/* Shadow utilities */
.shadow {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

/* Sticky Summary at Top */
.sticky-summary {
    position: sticky;
    top: 0;
    z-index: 1000;
}

.sticky-summary .card {
    margin-bottom: 0;
    border: none;
}