/* 
 * Nairaly - Modern Crowdfunding Platform Styles
 * Theme: Emerald Green (Growth/Trust) & Amber (Energy/Action)
 * Font: 'Inter', sans-serif
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Brand Colors (Keep stable across themes) */
    --primary: #10B981;
    --primary-dark: #059669;
    --primary-light: #D1FAE5;
    --secondary: #F59E0B;
    --secondary-dark: #D97706;
    --accent: #6366F1;

    /* Theme Variables - Light Mode (Default) */
    --dark: #111827;
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --border: #E5E7EB;
    --bg-body: #F9FAFB;
    --bg-surface: #FFFFFF;
    --navbar-bg: rgba(255, 255, 255, 0.9);
    --navbar-border: rgba(229, 231, 235, 0.5);

    /* Semantic */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    /* Spacing & Layout */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-color-primary: rgba(16, 185, 129, 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Overrides */
[data-theme='dark'] {
    --dark: #F9FAFB;
    --text-main: #E5E7EB;
    --text-muted: #9CA3AF;
    --border: #374151;
    --bg-body: #0F172A;
    --bg-surface: #1E293B;
    --navbar-bg: rgba(15, 23, 42, 0.9);
    --navbar-border: rgba(55, 65, 81, 0.5);
    --primary-light: rgba(16, 185, 129, 0.15);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

/* --- Global Reset & Typography --- */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--dark);
    font-weight: 700;
    letter-spacing: -0.025em;
    /* Tight tracking for headings */
    margin-bottom: 0.75rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

.main-content {
    flex: 1;
    padding-top: 2rem;
    padding-bottom: 4rem;
}

/* --- Components: Navbar --- */
.navbar {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--navbar-border);
    padding: 1rem 0;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.025em;
    color: var(--text-heading) !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-logo {
    height: 64px;
    width: auto;
    max-width: 600px;
    object-fit: contain;
    transition: transform 0.2s ease;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-main) !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--primary-light);
    color: var(--primary-dark) !important;
}

/* --- Components: Buttons --- */
.btn {
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 6px -1px var(--shadow-color-primary);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px var(--shadow-color-primary);
}

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

.btn-secondary:hover {
    background-color: var(--bg-body);
    border-color: var(--text-muted);
}

.btn-accent {
    background-color: var(--secondary);
    color: white;
}

.btn-accent:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-1px);
}

/* --- Components: Cards --- */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card-img-top {
    object-fit: cover;
    height: 200px;
    width: 100%;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

/* --- Components: Progress Bar --- */
.progress {
    height: 0.75rem;
    border-radius: 999px;
    background-color: var(--bg-body);
    overflow: hidden;
    margin: 1rem 0 0.5rem;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 999px;
    transition: width 1s ease-in-out;
}

/* --- Layout: Hero Section --- */
.hero {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(245, 158, 11, 0.05) 100%);
    padding: 5rem 0;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: var(--primary);
    opacity: 0.05;
    border-radius: 50%;
    filter: blur(60px);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 300px;
    height: 300px;
    background: var(--secondary);
    opacity: 0.05;
    border-radius: 50%;
    filter: blur(80px);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--dark) 0%, var(--text-muted) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Components: Footer --- */
.footer {
    background-color: #111827;
    /* Keep footer dark always */
    color: #D1D5DB;
    padding: 4rem 0 2rem;
    margin-top: auto;
}

.footer h5 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer .text-muted {
    color: #9CA3AF !important;
    /* Lighter than default muted for better readability on dark */
}

.footer a {
    color: #D1D5DB;
    display: block;
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

.footer a:hover {
    color: white;
    transform: translateX(4px);
}

.hover-primary:hover {
    color: var(--primary) !important;
    transform: translateY(-3px);
}

.footer .bi {
    transition: var(--transition);
}

.footer hr {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 3rem 0;
}

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

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

.bg-surface {
    background-color: var(--bg-surface) !important;
}

.bg-body {
    background-color: var(--bg-body) !important;
}

.bg-primary-light {
    background-color: var(--primary-light) !important;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .navbar-collapse {
        background: var(--bg-surface);
        padding: 1rem;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
        margin-top: 1rem;
    }
}

/* --- Components: Forms --- */
.form-label {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-control,
.form-select {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-main);
    background-color: var(--bg-surface);
    background-clip: padding-box;
    border: 1px solid var(--border);
    appearance: none;
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.form-control:focus,
.form-select:focus {
    color: var(--text-main);
    background-color: var(--bg-surface);
    border-color: var(--primary);
    outline: 0;
    box-shadow: 0 0 0 4px var(--primary-light);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--bg-body);
    opacity: 1;
}

/* Floating labels support if used, though manual labels are preferred for this design system */
.form-floating>.form-control:focus~label,
.form-floating>.form-control:not(:placeholder-shown)~label,
.form-floating>.form-select~label {
    color: var(--primary);
    opacity: 0.85;
}

.form-floating>.form-control:focus,
.form-floating>.form-control:not(:placeholder-shown) {
    padding-top: 1.625rem;
    padding-bottom: 0.625rem;
}

/* Checkboxes & Radios */
.form-check-input {
    width: 1.25em;
    height: 1.25em;
    margin-top: 0.15em;
    vertical-align: top;
    background-color: var(--bg-surface);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border: 1px solid var(--border);
    appearance: none;
    print-color-adjust: exact;
    transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:focus {
    border-color: var(--primary);
    outline: 0;
    box-shadow: 0 0 0 4px var(--primary-light);
}

.form-switch .form-check-input {
    width: 2.5em;
    border-radius: 2em;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba%280, 0, 0, 0.25%29'/%3e%3c/svg%3e");
}

.form-switch .form-check-input:checked {
    background-position: right center;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
}

/* Input Groups */
.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-muted);
    text-align: center;
    white-space: nowrap;
    background-color: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

/* Validation */
.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger);
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5zM6 8.2af.4.4 0 0 1 0 .8.4.4 0 0 1 0-.8z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:invalid:focus,
.form-control.is-invalid:focus {
    border-color: var(--danger);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.25);
}

/* Custom File Input override */
input[type="file"]::file-selector-button {
    padding: 0.5rem 1rem;
    margin: -0.75rem -1rem -0.75rem -1rem;
    margin-inline-end: 1rem;
    color: var(--text-main);
    background-color: var(--bg-body);
    pointer-events: none;
    border-color: inherit;
    border-style: solid;
    border-width: 0;
    border-inline-end-width: 1px;
    border-radius: 0;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

input[type="file"]:hover::file-selector-button {
    background-color: var(--border);
}