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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f7fa;
    color: #333;
    min-height: 100vh;
}

.navbar {
    background: #2c3e50;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    color: white;
    font-size: 1.3rem;
    font-weight: bold;
}

.nav-links a {
    color: #ecf0f1;
    text-decoration: none;
    margin-left: 1.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    background: #34495e;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.subtitle {
    color: #7f8c8d;
    margin-bottom: 0.5rem;
}

.form-group {
    margin: 1.5rem 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.form-group input[type="file"] {
    display: block;
    width: 100%;
    padding: 0.8rem;
    border: 2px dashed #bdc3c7;
    border-radius: 4px;
    cursor: pointer;
}

.form-group input[type="password"],
.form-group input[type="text"] {
    display: block;
    width: 100%;
    padding: 0.7rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-primary:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    background: #3498db;
    color: white;
}

.btn-small:hover {
    background: #2980b9;
}

.hidden {
    display: none !important;
}

/* Progress bar */
.progress-container {
    margin-top: 1.5rem;
}

.progress-bar {
    height: 8px;
    background: #ecf0f1;
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0 0.5rem;
}

.progress-fill {
    height: 100%;
    background: #3498db;
    width: 0%;
    transition: width 0.3s;
}

#progress-text {
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Result */
.result-card {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: #eafaf1;
    border: 1px solid #27ae60;
    border-radius: 6px;
}

.result-card h3 {
    color: #27ae60;
    margin-bottom: 0.8rem;
}

.link-box {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.link-box input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* File list */
.file-list {
    margin-top: 1.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid #ecf0f1;
    transition: background 0.2s;
}

.file-item:hover {
    background: #f8f9fa;
}

.file-item.highlighted {
    background: #fef9e7;
    border-left: 3px solid #f39c12;
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    overflow: hidden;
}

.file-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 400px;
}

.file-meta {
    font-size: 0.8rem;
    color: #95a5a6;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: #7f8c8d;
}

.empty-state {
    text-align: center;
    padding: 2rem;
    color: #95a5a6;
}

#download-all-btn {
    margin-top: 1rem;
}


/* Expiry indicators */
.expiry-ok {
    color: #27ae60;
    font-weight: 500;
}

.expiry-warning {
    color: #f39c12;
    font-weight: 500;
}

.expiry-urgent {
    color: #e74c3c;
    font-weight: 600;
}


/* Download page */
.file-details {
    margin: 1.5rem 0;
    line-height: 2;
}

.download-btn {
    display: inline-block;
    margin-top: 1rem;
    font-size: 1.1rem;
    padding: 0.8rem 2rem;
}


/* 404 page */
.card-centered {
    text-align: center;
    padding: 3rem 2rem;
}

.not-found-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}