/* ============================================
   KEUANGANKU DESIGN SYSTEM
   Single Source of Truth untuk Styling
   Version: 1.0
   ============================================ */

/* --- 1. DESIGN TOKENS (CSS Variables) --- */
:root {
    /* Primary Colors */
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-primary-light: #eef2ff;
    --color-primary-dark: #3730a3;

    /* Secondary Colors */
    --color-secondary: #0ea5e9;
    --color-secondary-light: #e0f2fe;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-danger: #ef4444;
    --color-danger-light: #fee2e2;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;

    /* Neutral Colors */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.625rem;    /* 10px */
    --font-size-sm: 0.75rem;     /* 12px */
    --font-size-base: 0.875rem;  /* 14px */
    --font-size-lg: 1rem;        /* 16px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */

    /* Spacing */
    --spacing-page-mobile: 1rem;    /* 16px */
    --spacing-page-desktop: 2rem;   /* 32px */
    --spacing-card: 1.5rem;         /* 24px */
    --spacing-section: 2rem;        /* 32px */

    /* Border Radius */
    --radius-sm: 0.5rem;       /* 8px */
    --radius-md: 0.75rem;      /* 12px */
    --radius-lg: 1rem;         /* 16px */
    --radius-xl: 1.5rem;       /* 24px */
    --radius-2xl: 2rem;        /* 32px */
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Layout */
    --sidebar-width: 16rem;    /* 256px */
    --header-height: 4rem;     /* 64px */
    --bottom-nav-height: 5rem; /* 80px */
}

/* --- 2. BASE STYLES --- */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- 3. UTILITY CLASSES --- */

/* Hide Scrollbar (untuk horizontal scroll) */
.hide-scrollbar::-webkit-scrollbar {
    display: none;
}
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Safe Area (untuk notch iPhone) */
.pb-safe {
    padding-bottom: env(safe-area-inset-bottom);
}
.pt-safe {
    padding-top: env(safe-area-inset-top);
}

/* Touch-friendly (mobile) */
.touch-target {
    min-height: 44px;
    min-width: 44px;
}

/* Custom Scrollbar (Desktop) */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: 10px;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 10px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}

/* --- 4. ANIMATIONS --- */
@keyframes slide-up {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

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

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scale-in {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes scale-up {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes bounce-in {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.animate-slide-up { animation: slide-up 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.animate-slide-down { animation: slide-down 0.3s ease-out; }
.animate-fade-in { animation: fade-in 0.3s ease-out; }
.animate-scale-in { animation: scale-in 0.2s ease-out; }
.animate-scale-up { animation: scale-up 0.25s ease-out; }
.animate-bounce-in { animation: bounce-in 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55); }
.animate-shake { animation: shake 0.5s ease-in-out; }
.animate-float { animation: float 6s ease-in-out infinite; }

/* --- 5. COMPONENT STYLES --- */

/* Card Base */
.card {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
    box-shadow: var(--shadow-md);
}
.card-interactive:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Page Header Gradient */
.page-header-personal {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
}
.page-header-business {
    background: linear-gradient(135deg, #312e81 0%, #4338ca 100%);
}

/* Stat Cards */
.stat-card {
    transition: all 0.3s ease;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* Gradient Cards */
.gradient-primary { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.gradient-success { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); }
.gradient-danger { background: linear-gradient(135deg, #eb3349 0%, #f45c43 100%); }
.gradient-info { background: linear-gradient(135deg, #2193b0 0%, #6dd5ed 100%); }

/* --- 6. LAYOUT HELPERS --- */

/* Page Container (Mobile-first, then desktop) */
.page-container {
    max-width: 28rem; /* max-w-md for mobile */
    margin-left: auto;
    margin-right: auto;
    min-height: 100vh;
    background: white;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    .page-container {
        max-width: none;
        background: transparent;
        box-shadow: none;
    }
}

/* Content Padding */
.content-padding {
    padding-left: var(--spacing-page-mobile);
    padding-right: var(--spacing-page-mobile);
}

@media (min-width: 768px) {
    .content-padding {
        padding-left: var(--spacing-page-desktop);
        padding-right: var(--spacing-page-desktop);
    }
}

/* --- 7. RESPONSIVE TABLE (Desktop) --- */
@media (min-width: 768px) {
    .table-desktop {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
    }
    .table-desktop thead th {
        background: var(--color-gray-50);
        padding: 0.75rem 1rem;
        font-size: var(--font-size-xs);
        font-weight: 700;
        text-transform: uppercase;
        color: var(--color-gray-500);
        border-bottom: 1px solid var(--color-gray-200);
        position: sticky;
        top: 0;
    }
    .table-desktop tbody td {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--color-gray-100);
        font-size: var(--font-size-sm);
    }
    .table-desktop tbody tr:hover {
        background: var(--color-gray-50);
    }
}

/* --- 8. FORM STYLES --- */
.input-base {
    width: 100%;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.input-base:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* --- 9. BUTTON STYLES --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all 0.2s;
    cursor: pointer;
}
.btn-primary {
    background: var(--color-primary);
    color: white;
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}
.btn-secondary:hover {
    background: var(--color-gray-200);
}

/* --- 10. PRINT STYLES --- */
@media print {
    .no-print { display: none !important; }
    body { background: white; }
}