/* ===== HIDROFIT CUSTOM STYLES ===== */

/* Color Palette Variables */
:root {
    --primary-blue: #2196F3;
    --success-green: #4CAF50;
    --warning-yellow: #FFC107;
    --danger-red: #F44336;
    --purple-accent: #9C27B0;
    --light-gray: #f8f9fa;
    --dark-gray: #6c757d;
    --white: #ffffff;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Base Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: var(--light-gray);
}

/* ===== Dark Theme ===== */
body.dark-theme {
    background-color: #181a1b;
    color: #f1f1f1;
}

body.dark-theme .card,
body.dark-theme .result-stat,
body.dark-theme .timeline-item,
body.dark-theme .accordion-item,
body.dark-theme .alert,
body.dark-theme .toast {
    background: #23272b !important;
    color: #f1f1f1 !important;
    box-shadow: var(--shadow-light);
}

body.dark-theme .btn,
body.dark-theme .btn-outline-dark {
    background: #23272b;
    color: #f1f1f1;
    border-color: #444;
}

body.dark-theme .btn:hover {
    background: #333;
    color: #fff;
}

body.dark-theme .navbar,
body.dark-theme footer,
body.dark-theme .navbar * {
    background: #23272b !important;
    color: #f1f1f1 !important;
}

body.dark-theme .form-control,
body.dark-theme .form-select {
    background: #23272b;
    color: #f1f1f1;
    border-color: #444;
}

body.dark-theme .form-control:focus,
body.dark-theme .form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
}

body.dark-theme .bg-gradient-primary,
body.dark-theme .bg-gradient-success,
body.dark-theme .bg-gradient-warning {
    filter: brightness(0.8);
}

/* Custom Bootstrap Overrides */
.btn {
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

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

.card {
    border-radius: var(--border-radius);
    border: none;
    transition: var(--transition);
}

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

.form-control, .form-select {
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--purple-accent) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="water" patternUnits="userSpaceOnUse" width="20" height="20"><circle cx="10" cy="10" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23water)"/></svg>') repeat;
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

/* Navigation */
.navbar-brand {
    font-size: 1.5rem;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

/* Result Statistics */
.result-stat {
    padding: 1rem;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(255, 255, 255, 0.8) 100%);
    transition: var(--transition);
}

.result-stat:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.2) 0%, rgba(255, 255, 255, 0.9) 100%);
}

/* Distribution Timeline */
.timeline-item {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-left: 4px solid var(--primary-blue);
    transition: var(--transition);
}

.timeline-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-light);
}

.timeline-item.morning {
    border-left-color: var(--warning-yellow);
}

.timeline-item.afternoon {
    border-left-color: var(--primary-blue);
}

.timeline-item.evening {
    border-left-color: var(--purple-accent);
}

/* Progress Bar Animation */
.progress {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.progress-bar {
    transition: width 1s ease-in-out;
    background: linear-gradient(45deg, var(--primary-blue), var(--success-green));
}

/* Accordion Customization */
.accordion-button {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, var(--primary-blue) 0%, rgba(33, 150, 243, 0.1) 100%);
    color: var(--white);
}

.accordion-item {
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    border: none;
    box-shadow: var(--shadow-light);
}

/* Alert Styles */
.alert {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--shadow-light);
}

.alert-success {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(76, 175, 80, 0.05) 100%);
    border-left: 4px solid var(--success-green);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 193, 7, 0.05) 100%);
    border-left: 4px solid var(--warning-yellow);
}

.alert-info {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(33, 150, 243, 0.05) 100%);
    border-left: 4px solid var(--primary-blue);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(244, 67, 54, 0.1) 0%, rgba(244, 67, 54, 0.05) 100%);
    border-left: 4px solid var(--danger-red);
}

/* Toast Customization */
.toast {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #343a40 0%, #495057 100%);
}

footer a {
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-blue) !important;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.pulse-animation {
    animation: pulse 2s infinite;
}

/* Water Drop Animation */
@keyframes dropFall {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

.water-drop {
    position: fixed;
    color: var(--primary-blue);
    font-size: 1.5rem;
    pointer-events: none;
    z-index: 1000;
    animation: dropFall 3s linear infinite;
}

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-gray);
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .result-stat {
        margin-bottom: 1rem;
    }
    
    .timeline-item {
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* Accessibility Improvements */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Focus Styles */
.btn:focus,
.form-control:focus,
.form-select:focus,
.accordion-button:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.3);
        --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.4);
    }
    
    .card {
        border: 2px solid #333;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .pulse-animation {
        animation: none;
    }
    
    .water-drop {
        animation: none;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .toast-container,
    footer {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
    
    .btn {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

/* Custom Utilities */
.text-gradient {
    background: linear-gradient(45deg, var(--primary-blue), var(--purple-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--purple-accent) 100%);
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--success-green) 0%, #66BB6A 100%);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--warning-yellow) 0%, #FFD54F 100%);
}

.shadow-custom {
    box-shadow: var(--shadow-medium);
}

.border-radius-custom {
    border-radius: var(--border-radius);
}

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

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--purple-accent);
}