/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --transition: all 0.2s ease-in-out;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
}

/* Container */
.tracker-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Main Content Styles */
.main-content {
    flex: 1;
    padding: 2rem;
    background-color: #f9fafb;
    min-height: 100vh;
}

/* Main Header Styles */
.main-header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.header-left {
    text-align: center;
}

.header-left h1 {
    font-size: 2.25rem;
    font-weight: 400;
    color: var(--color-text);
    margin: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.3px;
}

.header-left p {
    color: #64748b;
    margin: 0.5rem 0 0;
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.5;
}

/* Button Styles */
.btn-primary {
    background-color: #2563eb;
    color: white;
    padding: 0.625rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

.btn-secondary {
    background-color: white;
    color: #374151;
    padding: 0.625rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
    border: 1px solid #e5e7eb;
    cursor: pointer;
}

.btn-secondary:hover {
    background-color: #f9fafb;
    border-color: #d1d5db;
}

/* Stats Card Styles */
.stats-card {
    background-color: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

/* Filter Styles */
.filter-section {
    background-color: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

/* Application List Styles */
.applications-list {
    background-color: white;
    border-radius: 0.75rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.applications-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* View Toggle Buttons */
.view-toggle {
    display: flex;
    gap: 0.5rem;
}

.view-toggle button {
    padding: 0.5rem;
    color: #6b7280;
    border-radius: 0.375rem;
    transition: all 0.2s;
}

.view-toggle button:hover {
    color: #374151;
    background-color: #f3f4f6;
}

.view-toggle button.active {
    color: #2563eb;
    background-color: #eff6ff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-header {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .header-right {
        width: 100%;
    }

    .filter-section .flex {
        flex-direction: column;
    }

    .filter-section .flex > * {
        width: 100%;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

.fade-out {
    animation: fadeOut 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
}

@keyframes bounceLeft {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-5px);
    }
}

@keyframes bounceRight {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(5px);
    }
}

.animate-fade-out {
    animation: fadeOut 0.5s ease-out forwards;
    animation-delay: 3.5s;
}

.animate-bounce-left {
    animation: bounceLeft 1s ease-in-out infinite;
}

.animate-bounce-right {
    animation: bounceRight 1s ease-in-out infinite;
}

/* Status Badge Styles */
.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-applied {
    background-color: #dbeafe;
    color: #1e40af;
}

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

.status-offered {
    background-color: #dcfce7;
    color: #166534;
}

.status-rejected {
    background-color: #fee2e2;
    color: #991b1b;
}

.status-withdrawn {
    background-color: #f3f4f6;
    color: #374151;
}

/* Application Card Styles */
.application-card {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1rem;
    border: 1px solid #e5e7eb;
    transition: all 0.2s;
}

.application-card:hover {
    border-color: #2563eb;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: "";
    display: block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid #e5e7eb;
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 1rem auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Statistics Section */
.statistics-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.stat-content h3 {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.25rem;
}

.stat-content p {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

/* Progress Indicator */
.progress-indicator {
    width: 100%;
    height: 4px;
    background-color: var(--color-border);
    border-radius: var(--border-radius-sm);
    margin-top: 0.5rem;
    position: relative;
}

.progress-indicator::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--color-success);
    border-radius: var(--border-radius-sm);
    width: 0;
    transition: width 0.3s ease;
}

/* Filters Section */
.filters-section {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.search-box {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    transition: var(--transition);
}

.search-box:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Form Controls */
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Applications Grid */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.company-name {
    font-weight: 600;
    color: var(--color-text);
}

.job-title {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Card Details */
.card-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Card Actions */
.card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Applications Timeline */
.applications-timeline {
    display: none;
}

.timeline-item {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: -1.5rem;
    width: 2px;
    background-color: var(--color-border);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -4px;
    top: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.close-modal-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.close-modal-btn:hover {
    background-color: var(--color-background);
    color: var(--color-text);
}

.modal-body {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

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

/* File Upload */
.file-upload {
    margin-bottom: 1rem;
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background-color: var(--color-background);
    border: 1px dashed var(--color-border);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.file-upload-label:hover {
    background-color: var(--color-background-hover);
    border-color: var(--color-primary);
}

.file-upload-label i {
    color: var(--color-primary);
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

.empty-state-text {
    font-size: 1.1rem;
}

/* Success Message */
.success-message {
    background-color: var(--color-success-light);
    color: var(--color-success);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Error Message */
.error-message {
    background-color: var(--color-danger-light);
    color: var(--color-danger);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Tooltips */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem;
    background-color: var(--color-text);
    color: white;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 1000;
}

/* Free Account Limitation Styles */

#upgrade-modal {
    backdrop-filter: blur(4px);
}

#upgrade-modal .bg-white {
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.limitation-overlay {
    backdrop-filter: blur(2px);
}

/* Responsive adjustments for the banner */
@media (max-width: 768px) {
    #free-tier-banner .flex {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    #free-tier-banner .flex:first-child {
        flex-direction: row;
        text-align: left;
    }
}