:root {
    --primary: #10b981; /* Emerald 500 */
    --primary-dark: #047857; /* Emerald 700 */
    --secondary: #f59e0b; /* Amber 500 */
    --secondary-dark: #b45309; /* Amber 700 */
    --bg-color: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.9);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

/* Background Decorations */
.background-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.blob {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 10s ease-in-out infinite alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background-color: var(--primary);
    top: -100px;
    right: -100px;
}

.blob-2 {
    width: 350px;
    height: 350px;
    background-color: var(--secondary);
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-30px, 50px) scale(1.1); }
}

/* Main Container */
.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
    z-index: 1;
}

.header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.logo-image {
    width: 90px;
    height: 90px;
    object-fit: contain;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.05) rotate(-5deg);
}

.header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Card Styles */
.search-card, .result-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.search-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input[type="text"] {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.3s ease;
    outline: none;
}

input[type="text"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

button {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(16, 185, 129, 0.5);
}

button:active {
    transform: translateY(0);
}

.btn-secondary {
    background: white;
    color: var(--text-main);
    border: 2px solid #e2e8f0;
    width: 100%;
    margin-top: 1.5rem;
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    box-shadow: none;
}

/* Loader */
.btn-loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

.loader-hidden {
    display: none;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Result Card */
.hidden {
    display: none !important;
}

.result-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px dashed #e2e8f0;
}

.result-header h3 {
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.result-header p {
    color: var(--text-muted);
    font-weight: 500;
}

.result-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.info-row .label {
    color: var(--text-muted);
    font-weight: 500;
}

.info-row .value {
    font-weight: 600;
    color: var(--text-main);
}

.result-status-container {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.status-badge {
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.status-lulus {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 2px solid var(--success);
}

.status-tidak-lulus {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 2px solid var(--danger);
}

.status-ditunda {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 2px solid var(--warning);
}

.result-message {
    text-align: center;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid var(--primary);
    font-style: italic;
    color: var(--text-main);
    line-height: 1.5;
}

/* Error Message */
.error-message {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-left: 4px solid var(--danger);
    margin-top: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    animation: shake 0.5s ease-in-out;
}

.error-icon {
    width: 24px;
    height: 24px;
    color: var(--danger);
}

.error-message p {
    color: var(--text-main);
    font-weight: 500;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 3rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (min-width: 640px) {
    .input-group {
        flex-direction: row;
    }
    
    button {
        width: 150px;
        flex-shrink: 0;
    }
}