/* ACT International Tender Portal Styles */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.main-header {
    background-color: #1a5490;
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo-img {
    height: 50px;
    width: auto;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    padding: 5px 10px;
}

.main-nav a:hover,
.main-nav a.active {
    opacity: 0.8;
    border-bottom: 2px solid white;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 40px 0;
}

/* Tender Page Styles */
.tender-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 30px;
    margin-bottom: 30px;
}

.tender-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #1a5490;
}

.tender-header h1 {
    color: #1a5490;
    font-size: 2.5em;
    margin-bottom: 10px;
}

.tender-status {
    font-size: 1.1em;
    color: #28a745;
    font-weight: 600;
}

.tender-status.expired {
    color: #dc3545;
}

.tender-advertisement {
    text-align: center;
    margin: 30px 0;
}

.tender-advertisement img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.documents-section {
    margin-top: 40px;
}

.documents-section h2 {
    color: #1a5490;
    margin-bottom: 20px;
    font-size: 1.8em;
}

.documents-list {
    display: grid;
    gap: 15px;
}

.document-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 6px;
    border-left: 4px solid #1a5490;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.document-item:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.document-info {
    flex: 1;
}

.document-name {
    font-weight: 600;
    color: #1a5490;
    margin-bottom: 5px;
}

.document-size {
    font-size: 0.9em;
    color: #666;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #1a5490;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1em;
}

.btn:hover {
    background-color: #144275;
}

.btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: #6c757d;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

/* Form Styles */
.form-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 40px;
    max-width: 700px;
    margin: 30px auto;
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-header h2 {
    color: #1a5490;
    font-size: 2em;
    margin-bottom: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a5490;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group .required {
    color: #dc3545;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border-left: 4px solid #dc3545;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border-left: 4px solid #28a745;
}

.info-message {
    background-color: #d1ecf1;
    color: #0c5460;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border-left: 4px solid #17a2b8;
}

/* Footer Styles */
.main-footer {
    background-color: #1a5490;
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo-img {
    height: 40px;
    width: auto;
}

.footer-info p {
    margin: 5px 0;
    font-size: 0.9em;
}

.footer-links {
    font-size: 0.9em;
}

.footer-links a {
    color: white;
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .main-nav ul {
        justify-content: center;
    }

    .tender-header h1 {
        font-size: 1.8em;
    }

    .form-container {
        padding: 20px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .document-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1a5490;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}