/* Modern Clean Professional Design for HaiFin Accounting */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    /* 
     * MODERN BRAND IDENTITY - GOLD & BLACK
     * Approach: Professional Golden Amber Primary + Strong Black Secondary
     * Inspired by: Brand Logo (Gold 'GK' on Black Circle)
     */
    
    /* Primary Brand Colors - Golden Amber */
    --color-primary: #ffb703;      /* Vibrant Gold/Amber from logo */
    --color-primary-hover: #f59e0b; /* Slightly darker gold for hover */
    --color-primary-light: #fffbeb; /* Very pale amber for backgrounds */
    --color-primary-subtle: #fbbf24; /* Amber 400 */
    --color-primary-text: #000000;  /* Black text for contrast on Gold */

    /* Secondary/Neutral Colors - Rich Black & Gray */
    --color-secondary: #111827;    /* Gray 900 - Deep Black from logo */
    
    /* Backgrounds */
    --color-bg-body: #f8fafc;      /* Slate 50 - Very clean light gray */
    --color-bg-surface: #ffffff;   /* Pure White */
    --color-bg-subtle: #f3f4f6;    /* Gray 100 */
    
    /* Text Colors - High Contrast */
    --color-text-main: #0f172a;    /* Slate 900 - Deepest dark for headings */
    --color-text-secondary: #4b5563; /* Gray 600 - Professional gray for body */
    --color-text-muted: #9ca3af;   /* Gray 400 */
    
    /* Semantic Colors - Soft/Pastel Versions (Maintained as requested) */
    /* Success: Soft Emerald */
    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    --color-success-text: #065f46;
    
    /* Danger: Soft Rose */
    --color-danger: #f43f5e;
    --color-danger-bg: #ffe4e6;
    --color-danger-text: #881337;
    
    /* Warning: Soft Orange (Distinct from Gold Primary) */
    --color-warning: #f97316;
    --color-warning-bg: #ffedd5;
    --color-warning-text: #9a3412;
    
    /* Info: Soft Sky */
    --color-info: #0ea5e9;
    --color-info-bg: #e0f2fe;
    --color-info-text: #0c4a6e;
    
    /* Typography */
    --font-primary: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
    
    /* Layout & Borders */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Modern Shadows (Layered) */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --border-color: #e5e7eb; /* Gray 200 */
}

/* Base Reset & Typography */
body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-body);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: -0.025em; /* Tight tracking for headings */
    margin-bottom: 1rem;
}

a {
    color: var(--color-text-main);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Navbar - Sleek & Sticky */
.navbar {
    background: var(--color-bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--color-text-main) !important;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand span {
    color: var(--color-primary);
}

.navbar-nav .nav-link {
    color: var(--color-text-secondary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.6rem 1rem;
    margin: 0 0.15rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

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

/* Dropdown Menu - Clean Floating Panel */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    margin-top: 0.75rem;
    background-color: var(--color-bg-surface);
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.dropdown-item:hover {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-main);
}

.dropdown-divider {
    border-top-color: var(--border-color);
    margin: 0.5rem 0;
}

/* Cards - Crisp & Modern */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--color-bg-surface);
    box-shadow: var(--shadow-xs);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--color-primary-subtle);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    font-size: 1.1rem;
}

.card-body {
    padding: 1.5rem;
}

/* Dashboard Stat Cards - Minimalist */
.stat-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    height: 100%;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stat-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-text-main); /* Black icon on gold */
    background-color: var(--color-primary); /* Gold background */
}

.stat-value {
    color: var(--color-text-main);
    font-weight: 800;
    font-size: 2rem;
    letter-spacing: -0.05em;
    line-height: 1;
}

/* Buttons - High Quality & Accessible */
.btn {
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
    transition: var(--transition);
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-primary-text); /* Black Text */
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    box-shadow: 0 4px 12px rgba(255, 183, 3, 0.3);
}

.btn-secondary {
    background-color: var(--color-bg-surface);
    border-color: var(--border-color);
    color: var(--color-text-secondary);
    box-shadow: var(--shadow-xs);
}

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

/* Semantic Buttons - Harmonious Colors */
.btn-success {
    background-color: var(--color-success);
    border-color: var(--color-success);
    color: white;
}
.btn-success:hover { background-color: #059669; }

.btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: white;
}
.btn-danger:hover { background-color: #e11d48; }

.btn-warning {
    background-color: var(--color-warning);
    border-color: var(--color-warning);
    color: white;
}
.btn-warning:hover { background-color: #d97706; }

.btn-info {
    background-color: var(--color-info);
    border-color: var(--color-info);
    color: white;
}
.btn-info:hover { background-color: #0284c7; }

/* Alerts - Modern & Clean */
.alert {
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success { background-color: var(--color-success-bg); color: var(--color-success-text); border-color: #a7f3d0; }
.alert-danger { background-color: var(--color-danger-bg); color: var(--color-danger-text); border-color: #fecdd3; }
.alert-warning { background-color: var(--color-warning-bg); color: var(--color-warning-text); border-color: #fde68a; }
.alert-info { background-color: var(--color-info-bg); color: var(--color-info-text); border-color: #bae6fd; }

/* Badges - Subtle & Elegant */
.badge {
    padding: 0.35em 0.85em;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 9999px; /* Pill shape */
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bg-success { background-color: var(--color-success-bg) !important; color: var(--color-success-text) !important; }
.bg-danger { background-color: var(--color-danger-bg) !important; color: var(--color-danger-text) !important; }
.bg-warning { background-color: var(--color-warning-bg) !important; color: var(--color-warning-text) !important; }
.bg-info { background-color: var(--color-info-bg) !important; color: var(--color-info-text) !important; }
.bg-secondary { background-color: #e2e8f0 !important; color: #475569 !important; }

/* Tables - Data Heavy Optimization */
.table {
    width: 100%;
    margin-bottom: 0;
    color: var(--color-text-main);
    vertical-align: top;
    border-color: var(--border-color);
}

.table thead th {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.table tbody td {
    padding: 1rem 1.5rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table-hover tbody tr:hover {
    background-color: var(--color-bg-subtle);
}

/* Forms - Focus States */
.form-control, .form-select {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text-main);
    background-color: var(--color-bg-surface);
    background-clip: padding-box;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

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

.form-label {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-main);
}

/* Login Page - Premium Feel */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-body);
    /* Subtle Golden/Warm Glow */
    background-image: 
        radial-gradient(at 0% 0%, rgba(255, 183, 3, 0.15) 0, transparent 50%), 
        radial-gradient(at 100% 0%, rgba(17, 24, 39, 0.05) 0, transparent 50%);
}

.login-card {
    width: 100%;
    max-width: 440px;
    padding: 2rem;
}

.login-card .card {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-lg);
}

/* Utilities & Footer */
footer {
    background-color: var(--color-bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: auto;
}

.text-muted { color: var(--color-text-muted) !important; }
.fw-bold { font-weight: 700 !important; }
.fw-semibold { font-weight: 600 !important; }

/* Pagination */
.page-link {
    color: var(--color-text-secondary);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--border-color);
    margin: 0 3px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
}

.page-link:hover {
    color: var(--color-text-main);
    background-color: var(--color-bg-subtle);
    border-color: var(--border-color);
}

.page-item.active .page-link {
    z-index: 3;
    color: var(--color-primary-text); /* Black text */
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    font-weight: 700;
}

@media (max-width: 768px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}