/* ============================================
   MODERN MINIMALIST THEME - SIDADIK
   ============================================ */

:root {
    /* Primary Color Palette - Green Theme */
    --color-primary: #10b981;
    --color-primary-dark: #059669;
    --color-primary-light: #d1fae5;
    
    /* Secondary Colors */
    --color-secondary: #0ea5e9;
    --color-secondary-light: #e0f2fe;
    
    /* Neutral Colors */
    --color-dark: #1f2937;
    --color-gray: #6b7280;
    --color-light-gray: #f3f4f6;
    --color-lighter-gray: #f9fafb;
    --color-white: #ffffff;
    
    /* Accent Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 48px;
    
    /* Typography */
    --font-family: 'Poppins', 'Segoe UI', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    
    /* 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ============================================
   NAVIGATION BAR
   ============================================ */

#navbar-header {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-lighter-gray) 100%);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid rgba(16, 185, 129, 0.1);
    transition: all var(--transition-base);
}

#navbar-header:hover {
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-weight: 600;
    color: var(--color-dark);
    transition: all var(--transition-base);
}

.navbar-brand img {
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base);
}

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

.home-header-text h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.home-header-text h5 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-dark);
    margin: 0;
}

.home-header-text h6 {
    font-size: var(--font-size-xs);
    color: var(--color-gray);
    margin: 0;
}

.navbar-nav .nav-link {
    color: var(--color-dark);
    font-weight: 500;
    font-size: var(--font-size-sm);
    margin: 0 var(--spacing-md);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-base);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    transition: width var(--transition-base);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--color-primary);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
}

/* ============================================
   BANNER & HERO SECTION
   ============================================ */

.home-banner {
    position: relative;
    padding: var(--spacing-3xl) var(--spacing-lg);
    overflow: hidden;
}

.home-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.home-banner-bg-color {
    background: linear-gradient(135deg, #ffffff 0%, #f0fdf4 25%, #dbeafe 100%);
    opacity: 0.8;
}

.home-banner-bg-img {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%2310b981" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,176C384,192,480,192,576,176C672,160,768,128,864,122.7C960,117,1056,139,1152,144C1248,149,1344,139,1392,133.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    opacity: 0.5;
}

.carousel {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.carousel-item {
    padding: var(--spacing-3xl) var(--spacing-2xl);
    background: linear-gradient(135deg, #ffffff 0%, var(--color-primary-light) 100%);
    min-height: 400px;
    display: flex;
    align-items: center;
}

.carousel-item h5 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.carousel-item p {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.carousel-indicators {
    bottom: var(--spacing-lg);
}

.carousel-indicators li {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    transition: all var(--transition-base);
}

.carousel-indicators li.active {
    background: var(--color-primary);
    width: 24px;
    border-radius: 4px;
}

/* ============================================
   CARD STYLES
   ============================================ */

.card {
    border: none;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.card-login {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-lighter-gray) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
}

.card-body {
    padding: var(--spacing-2xl);
}

.card-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    border: none;
    padding: var(--spacing-xl);
    font-weight: 600;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    border: none;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-base), height var(--transition-base);
    z-index: 0;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--color-light-gray);
    color: var(--color-dark);
    box-shadow: var(--shadow-sm);
}

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

.btn-warning {
    background: linear-gradient(135deg, var(--color-warning) 0%, #fbbf24 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-block {
    width: 100%;
    display: block;
}

.btn-login {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 700;
}

/* ============================================
   FORM STYLES
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    display: block;
    font-size: var(--font-size-sm);
}

.form-control {
    border: 1.5px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    background: var(--color-white);
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--color-gray);
}

.form-control:disabled {
    background: var(--color-light-gray);
    color: var(--color-gray);
}

select.form-control {
    cursor: pointer;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%236b7280" stroke-width="2"><polyline points="6 9 12 15 18 9"></polyline></svg>');
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 20px;
    padding-right: var(--spacing-2xl);
    appearance: none;
}

/* ============================================
   INPUT GROUP STYLES
   ============================================ */

.input-group {
    display: flex;
    gap: 0;
}

.input-group-prepend {
    display: flex;
    align-items: center;
}

.input-group-text {
    background: var(--color-primary-light);
    border: 1.5px solid var(--color-light-gray);
    border-right: none;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
}

.input-group .form-control {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    border-left: none;
}

.input-group .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input-group:focus-within .input-group-text {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ============================================
   MODAL STYLES
   ============================================ */

.modal-content {
    border: none;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    background: var(--color-white);
}

.modal-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    padding: var(--spacing-xl);
}

.modal-header .modal-title {
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.modal-header .close {
    color: white;
    opacity: 0.8;
    transition: opacity var(--transition-base);
}

.modal-header .close:hover {
    opacity: 1;
}

.modal-body {
    padding: var(--spacing-2xl);
}

.modal-footer {
    background: var(--color-lighter-gray);
    border: none;
    padding: var(--spacing-xl);
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
}

.modal-footer .btn {
    min-width: 100px;
}

/* ============================================
   TEXT STYLES
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

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

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
    text-align: center;
}

.text-primary {
    color: var(--color-primary);
}

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

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

.bg-light {
    background-color: var(--color-lighter-gray);
}

.mt-5 {
    margin-top: var(--spacing-3xl);
}

.mb-5 {
    margin-bottom: var(--spacing-3xl);
}

.p-3 {
    padding: var(--spacing-lg);
}

.p-5 {
    padding: var(--spacing-3xl);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .carousel-item {
        padding: var(--spacing-xl) var(--spacing-lg);
        min-height: 300px;
    }

    .carousel-item h5 {
        font-size: var(--font-size-2xl);
    }

    .carousel-item p {
        font-size: var(--font-size-base);
    }

    .card-login {
        padding: var(--spacing-xl);
    }

    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .navbar-nav .nav-link {
        margin: 0 var(--spacing-sm);
    }
}

@media (max-width: 576px) {
    .carousel-item {
        padding: var(--spacing-lg);
        min-height: 250px;
    }

    .carousel-item h5 {
        font-size: var(--font-size-xl);
    }

    h1 {
        font-size: var(--font-size-2xl);
    }

    .card-login {
        padding: var(--spacing-lg);
    }
}

/* ============================================
   ANIMATION & EFFECTS
   ============================================ */

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

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

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

.animate-slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    body {
        background: white;
    }

    .home-header,
    .navbar,
    .btn,
    .modal {
        display: none;
    }
}