/* Digital Signature Tool - Specific Styles */

/* Main Container */
.sig-main-container {
    min-height: calc(100vh - var(--nav-height));
    position: relative;
}

/* File Info Bar */
.sig-file-info {
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.sig-file-details {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.sig-filename {
    font-weight: 600;
    color: var(--text-primary);
}

.sig-reset-btn {
    background: transparent;
    border: 1px sold var(--border);
    padding: 8px 16px;
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.sig-reset-btn:hover {
    background: var(--bg-body);
    color: var(--primary);
}

/* Upload Container */
.sig-upload-container {
    min-height: auto;
    padding: 40px 20px 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    background: #faf8f3;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.sig-upload-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-image: url('/static/assets/bg-pattern-editor-sejda.svg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    opacity: 0.7;
    pointer-events: none;
    z-index: 0;
}

.sig-upload-card {
    width: 100%;
    max-width: 650px;
    text-align: center;
    position: relative;
    z-index: 2;
    margin-bottom: 60px;
}

.sig-hero-title {
    font-size: 2.5rem;
    color: #2d3748;
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.sig-hero-subtitle {
    font-size: 1.1rem;
    color: #2563eb;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-weight: 400;
}

.btn-upload-sig {
    background: var(--primary);
    color: white;
    font-size: 1.05rem;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-upload-sig:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

/* Features */
.sig-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1000px;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.sig-feature-item {
    text-align: center;
}

.sig-feature-icon {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 12px;
    background: white;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.sig-feature-item h4 {
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
    font-size: 1rem;
}

.sig-feature-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Tools Container */
.sig-tools-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Tabs */
.sig-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 32px;
}

.sig-tab {
    background: transparent;
    border: none;
    padding: 14px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sig-tab:hover {
    color: var(--text-primary);
    background: var(--bg-body);
}

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

/* Tab Content */
.sig-tab-content {
    display: none;
}

.sig-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Card */
.sig-card {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
}

.sig-card h2 {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 8px;
}

.sig-card-desc {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

/* Form */
.sig-form {
    margin-bottom: 24px;
}

.sig-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.sig-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sig-form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sig-form-group label i {
    color: var(--primary);
    font-size: 0.85rem;
}

.sig-form-group input,
.sig-form-group select {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.sig-form-group input:focus,
.sig-form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.sig-checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.sig-checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.sig-checkbox-group label {
    font-weight: 500;
    cursor: pointer;
    margin: 0;
}

.sig-visible-options {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* Buttons */
.sig-btn-primary {
    width: 100%;
    background: var(--primary);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 24px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.sig-btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.sig-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sig-btn-download {
    background: var(--accent);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.sig-btn-download:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Result Box */
.sig-result {
    margin-top: 24px;
}

.sig-success-box {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 2px solid #10b981;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

.sig-success-box i {
    font-size: 3rem;
    color: #10b981;
    margin-bottom: 16px;
}

.sig-success-box h3 {
    color: #065f46;
    margin-bottom: 12px;
}

.sig-success-box p {
    color: #047857;
    margin-bottom: 20px;
}

/* Verification Results */
.sig-verify-item {
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
}

.sig-verify-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.sig-status-badge {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.sig-status-badge.valid {
    background: #d1fae5;
    color: #065f46;
}

.sig-status-badge.invalid {
    background: #fee2e2;
    color: #991b1b;
}

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

.sig-verify-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    font-size: 0.9rem;
}

.sig-verify-details dt {
    font-weight: 600;
    color: var(--text-secondary);
}

.sig-verify-details dd {
    color: var(--text-primary);
}

/* Loading Overlay */
.sig-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    gap: 20px;
}

.sig-loading-overlay p {
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Toast */
.sig-toast {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: var(--secondary);
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-float);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10000;
    transform: translateY(200px);
    transition: transform 0.3s ease;
}

.sig-toast.show {
    transform: translateY(0);
}

.sig-toast i {
    font-size: 1.2rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .sig-features {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .sig-form-grid {
        grid-template-columns: 1fr;
    }

    .sig-tabs {
        flex-direction: column;
    }

    .sig-verify-details {
        grid-template-columns: 1fr;
    }
}