/**
 * PRASOL Training CSS
 */

:root {
    --primary: #39b54a;
    --primary-dark: #2d943b;
    --primary-light: #e8f9ea;
    --primary-border: #c4e8ca;
    --text-dark: #1a2634;
    --text-medium: #2d3748;
    --text-light: #4a5568;
    --white: #ffffff;
    --danger: #b91c1c;
}

#prasol-app {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Loader */
.prasol-loader {
    text-align: center;
    padding: 60px 20px;
}

.prasol-loader .loader-spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 4px solid var(--primary-light);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 12px 32px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 10px 30px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 16px;
    transition: 0.2s;
}

.btn-secondary:hover {
    background: var(--primary-light);
}

.btn-small {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
    border: none;
    padding: 12px 32px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 16px;
}

.btn-danger:hover {
    background: #991515;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-border);
    color: var(--text-dark);
    padding: 10px 30px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    font-size: 16px;
}

.btn-outline:hover {
    background: var(--primary-light);
}

/* Landing Page */
.landing-hero {
    text-align: center;
    padding: 60px 40px;
    background: var(--primary-light);
    border-radius: 4px;
    margin-bottom: 40px;
    border: 1px solid var(--primary-border);
}

.landing-hero h1 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.landing-hero h1 span {
    color: var(--primary);
}

.landing-hero p {
    font-size: 18px;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto 20px;
}

.landing-user-status {
    text-align: center;
    padding: 12px;
    background: var(--primary-light);
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid var(--primary-border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.status-badge {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.granted {
    background: var(--primary-light);
    color: var(--primary);
}

.status-badge.pending {
    background: #fef3c7;
    color: #92400e;
}

.status-badge.not-submitted {
    background: #e2e8f0;
    color: #4a5568;
}

/* Module Preview */
.module-preview {
    background: var(--white);
    padding: 20px;
    border-radius: 4px;
    border: 1px solid var(--primary-border);
    margin-bottom: 14px;
    transition: 0.2s;
    cursor: pointer;
}

.module-preview:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.module-preview .module-num {
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
}

.module-preview .module-name {
    font-weight: 600;
    font-size: 17px;
    color: var(--text-dark);
}

.module-preview .module-desc {
    color: var(--text-light);
    font-size: 14px;
    margin-top: 4px;
}

.module-preview .module-sessions {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}

/* Module Selector */
.module-selector {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 12px;
}

.module-btn {
    padding: 6px 16px;
    border-radius: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-light);
    font-size: 13px;
    transition: all 0.2s;
}

.module-btn:hover {
    background: var(--primary-light);
    color: var(--text-dark);
}

.module-btn.active {
    background: var(--primary);
    color: var(--white);
}

.module-btn.locked {
    opacity: 0.4;
    cursor: not-allowed;
}

.module-btn.completed {
    background: var(--primary-light);
    color: var(--primary);
}

.module-btn.completed:after {
    content: " ✓";
}

/* Module Card */
.module-card-course {
    background: var(--white);
    border-radius: 4px;
    padding: 28px;
    margin-bottom: 24px;
    border: 1px solid var(--primary-border);
}

.module-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}

.module-badge {
    background: var(--primary);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.module-progress {
    background: var(--primary-light);
    padding: 12px 16px;
    border-radius: 4px;
    margin: 12px 0;
}

.module-progress .bar {
    background: var(--primary-border);
    border-radius: 4px;
    height: 6px;
    overflow: hidden;
    margin-top: 4px;
}

.module-progress .bar .fill {
    height: 100%;
    border-radius: 4px;
    background: var(--primary);
    transition: width 0.5s;
}

/* Session Card */
.session-card {
    background: #f8faf9;
    border-radius: 4px;
    padding: 18px;
    margin-bottom: 14px;
    border: 1px solid var(--primary-border);
}

.session-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.session-content {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-medium);
}

.session-content h3 {
    color: var(--primary);
    margin: 14px 0 6px;
    font-size: 17px;
}

.session-content h4 {
    color: var(--text-dark);
    margin: 10px 0 4px;
    font-size: 15px;
}

.session-content ul,
.session-content ol {
    padding-left: 20px;
    margin: 6px 0;
}

.session-content .key-point {
    background: var(--primary-light);
    padding: 10px 16px;
    border-radius: 4px;
    margin: 10px 0;
    border-left: 4px solid var(--primary);
}

/* Practice Quiz */
.practice-quiz {
    background: #f8faf9;
    border-radius: 4px;
    padding: 18px;
    margin: 14px 0;
    border: 1px solid var(--primary-border);
}

.practice-quiz .q {
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.practice-quiz .options {
    list-style: none;
    padding: 0;
}

.practice-quiz .options li {
    padding: 6px 14px;
    margin: 3px 0;
    background: var(--white);
    border: 1px solid var(--primary-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.practice-quiz .options li:hover {
    background: var(--primary-light);
}

.practice-quiz .options li.correct {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.practice-quiz .options li.incorrect {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}

/* Test Panel */
.test-panel {
    background: var(--white);
    border-radius: 4px;
    padding: 28px;
    border: 2px solid var(--primary);
}

.test-panel .question {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--primary-border);
}

.test-panel .question-text {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.test-panel .options {
    list-style: none;
    padding: 0;
}

.test-panel .options li {
    padding: 8px 16px;
    margin: 3px 0;
    background: #f8faf9;
    border: 1px solid var(--primary-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.test-panel .options li:hover {
    background: var(--primary-light);
}

.test-panel .options li.selected {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.test-result {
    text-align: center;
    padding: 30px;
    border-radius: 4px;
    margin-top: 16px;
}

.test-result.pass {
    background: var(--primary-light);
    border: 2px solid var(--primary);
}

.test-result.fail {
    background: #fde8e8;
    border: 2px solid var(--danger);
}

.test-result .score {
    font-size: 40px;
    font-weight: 700;
}

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

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

/* Week Exam Banner */
.week-exam-banner {
    background: var(--primary-light);
    padding: 20px;
    border-radius: 4px;
    text-align: center;
    margin: 20px 0;
    border: 2px solid var(--primary);
}

.week-exam-banner .big {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.week-exam-banner .sub {
    font-size: 14px;
    color: var(--text-light);
}

/* Week Box */
.week-box {
    background: var(--white);
    border-radius: 8px;
    border: 2px solid var(--primary-border);
    padding: 20px;
    cursor: pointer;
    transition: 0.3s;
}

.week-box:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* Certificate */
.certificate-container {
    max-width: 760px;
    margin: 0 auto;
}

.certificate {
    padding: 35px 30px 25px;
    text-align: center;
    border: 2px solid var(--primary);
    border-radius: 4px;
    margin: 14px;
    position: relative;
    background: var(--white);
}

.certificate-watermark {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    flex-direction: column;
    gap: 16px;
}

.certificate-watermark span {
    font-size: 50px;
    font-weight: 900;
    color: var(--primary);
    opacity: 0.04;
    letter-spacing: 8px;
    transform: rotate(-25deg);
    white-space: nowrap;
    font-family: 'Georgia', serif;
    user-select: none;
}

.certificate-inner {
    position: relative;
    z-index: 1;
}

.certificate-logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
}

.certificate-title {
    font-size: 20px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-dark);
    letter-spacing: 2px;
    margin-bottom: 12px;
    border-top: 2px solid var(--primary);
    padding-top: 12px;
    display: inline-block;
}

.certificate-name {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin: 4px 0 8px;
    font-family: 'Georgia', serif;
}

.certificate-course {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.certificate-date {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 10px;
    border-top: 1px solid var(--primary-border);
    padding-top: 10px;
    display: inline-block;
}

.certificate-signature {
    margin-top: 16px;
    padding-top: 10px;
}

.certificate-signature .signature-line {
    border-top: 1px solid var(--primary);
    width: 160px;
    margin: 0 auto 4px;
}

.certificate-signature .signature-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dark);
}

.certificate-signature .signature-title {
    font-size: 11px;
    color: var(--text-light);
}

.certificate-signature .signature-image img {
    max-width: 180px;
    height: auto;
    border: none;
}

.certificate-verification {
    font-size: 8px;
    color: #a0aec0;
    margin-top: 8px;
}

/* Payment Modal */
.payment-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.payment-modal {
    background: var(--white);
    max-width: 480px;
    width: 95%;
    padding: 28px;
    border-radius: 8px;
    max-height: 90vh;
    overflow-y: auto;
}

.payment-modal h2 {
    font-size: 20px;
    text-align: center;
    color: var(--text-dark);
}

.payment-modal .price {
    text-align: center;
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    margin: 8px 0;
}

.payment-modal .mpesa-details {
    background: var(--primary-light);
    padding: 14px;
    border-radius: 4px;
    margin: 12px 0;
    text-align: center;
    border: 1px solid var(--primary-border);
}

.payment-modal .mpesa-details .number {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.payment-modal input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--primary-border);
    border-radius: 4px;
    margin: 4px 0;
    font-size: 14px;
    box-sizing: border-box;
}

/* Auth Modal */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.auth-modal {
    background: var(--white);
    max-width: 450px;
    width: 95%;
    padding: 32px;
    border-radius: 8px;
    max-height: 90vh;
    overflow-y: auto;
}

.auth-modal h2 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.auth-modal .form-group {
    margin-bottom: 14px;
}

.auth-modal .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.auth-modal .form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--primary-border);
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

.auth-modal .form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(57, 181, 74, 0.1);
}

.auth-modal .error-msg {
    background: #fde8e8;
    color: var(--danger);
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 12px;
    font-size: 14px;
    border-left: 4px solid var(--danger);
    display: none;
}

.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--primary-border);
}

.auth-tab {
    flex: 1;
    padding: 8px;
    text-align: center;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-light);
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
}

.auth-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    #prasol-app {
        padding: 12px;
    }
    
    .landing-hero {
        padding: 24px 16px;
    }
    
    .landing-hero h1 {
        font-size: 22px;
    }
    
    .module-title {
        font-size: 18px;
    }
    
    .certificate-name {
        font-size: 20px;
    }
    
    .certificate {
        padding: 16px 12px;
    }
    
    .module-selector {
        gap: 4px;
    }
    
    .module-btn {
        font-size: 11px;
        padding: 4px 10px;
    }
    
    .week-box {
        padding: 14px;
    }
}

@media (max-width: 480px) {
    .landing-user-status {
        flex-direction: column;
        gap: 8px;
    }
    
    .test-panel {
        padding: 16px;
    }
    
    .payment-modal {
        padding: 16px;
    }
    
    .auth-modal {
        padding: 16px;
    }
}