/* PDF Tools Fun - Custom Styles */

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --light-bg: #f8fafc;
    --dark-text: #1e293b;
    --border-color: #e2e8f0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
    background-color: #ffffff;
}

/* Header Styles */
header {
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--dark-text) !important;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 4rem 0;
}

.privacy-badge {
    backdrop-filter: blur(10px);
}

/* Tool Cards */
.tool-card {
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
}

.tool-card .card-body {
    padding: 2rem 1.5rem;
}

/* File Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background-color: var(--light-bg);
    transition: all 0.3s;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: #f1f5f9;
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background-color: #eef2ff;
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 2rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: #4f46e5;
    border-color: #4f46e5;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
    border-radius: 8px;
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    border-radius: 8px;
}

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

/* Progress Bar */
.progress {
    height: 8px;
    border-radius: 10px;
    background-color: #e2e8f0;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

/* File List */
.file-list {
    list-style: none;
    padding: 0;
}

.file-item {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-item .file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.file-item .file-name {
    font-weight: 500;
    color: var(--dark-text);
}

.file-item .file-size {
    color: #64748b;
    font-size: 0.875rem;
}

.file-item .remove-btn {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.file-item .remove-btn:hover {
    background-color: #fee2e2;
}

/* Tool Options */
.tool-options {
    background-color: var(--light-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.option-group {
    margin-bottom: 1.5rem;
}

.option-group label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: block;
    color: var(--dark-text);
}

.option-group select,
.option-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.option-group select:focus,
.option-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Privacy Note */
.privacy-note {
    background-color: #eef2ff;
    border-left: 4px solid var(--primary-color);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.privacy-note i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* Alert Messages */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.5rem;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
}

/* Footer */
footer {
    margin-top: 4rem;
}

footer a {
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #ffffff !important;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .tool-card .card-body {
        padding: 1.5rem 1rem;
    }
}

/* Loading Spinner */
.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

/* Result Section */
.result-section {
    margin-top: 2rem;
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: 12px;
    display: none;
}

.result-section.show {
    display: block;
}

/* Page Content */
.page-content {
    min-height: calc(100vh - 300px);
    padding: 2rem 0;
}

/* Section Spacing */
section {
    margin-bottom: 3rem;
}

/* Text Utilities */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4f46e5;
}