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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
    --purple: #8b5cf6;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--gray-800);
}

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

header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* Card */
.card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gray-100);
}

.card-header h2 {
    color: var(--gray-800);
    font-size: 1.5rem;
}

.stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    color: var(--gray-700);
    font-size: 0.95rem;
}

.stat-item strong {
    color: var(--primary);
    font-size: 1.1rem;
}

/* Form */
.form-card h2 {
    margin-bottom: 25px;
    color: var(--gray-800);
}

.form-section {
    background: var(--gray-50);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.form-section h3 {
    color: var(--gray-800);
    font-size: 1.1rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gray-200);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.required {
    color: var(--danger);
}

input[type="text"],
input[type="number"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
    font-family: inherit;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

textarea {
    resize: vertical;
}

/* Buttons */
.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn-edit {
    background: var(--warning);
    color: white;
}

.btn-edit:hover {
    background: #d97706;
}

.btn-delete {
    background: var(--danger);
    color: white;
}

.btn-delete:hover {
    background: #dc2626;
}

/* Projects List */
.project-item {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.project-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transform: translateX(5px);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gray-200);
}

.project-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.project-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

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

.badge-from {
    background: #d1fae5;
    color: #065f46;
}

.project-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* Project Details */
.project-details {
    margin-bottom: 15px;
}

.detail-row {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-200);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: var(--gray-700);
    min-width: 120px;
    flex-shrink: 0;
}

.detail-value {
    color: var(--gray-800);
}

/* Team Section */
.team-section {
    background: white;
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
}

.team-section h4 {
    color: var(--gray-800);
    margin-bottom: 12px;
    font-size: 1rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 12px;
}

.team-member {
    padding: 8px 12px;
    background: var(--gray-50);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.team-member strong {
    color: var(--primary);
    margin-right: 5px;
}

.dev-team-list {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
}

.dev-team-list strong {
    display: block;
    margin-bottom: 8px;
    color: var(--gray-800);
}

.dev-members {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.dev-member {
    display: inline-block;
    padding: 6px 12px;
    background: var(--primary);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Project Footer */
.project-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* Loading & Empty State */
.loading {
    text-align: center;
    padding: 40px;
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-700);
    font-size: 1.1rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--gray-900);
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    display: none;
    align-items: center;
    gap: 10px;
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
}

.toast.show {
    display: flex;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

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

    .project-header {
        flex-direction: column;
        gap: 15px;
    }

    .project-actions {
        width: 100%;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .toast {
        left: 20px;
        right: 20px;
    }

    .project-footer {
        flex-direction: column;
        gap: 5px;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
    }

    .form-card,
    .btn,
    .project-actions {
        display: none;
    }

    .project-item {
        page-break-inside: avoid;
        border: 1px solid #ddd;
        margin-bottom: 20px;
    }
}