/* ===== BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #205db2;
    --success-color: #059b49;
    --danger-color: #e84748;
    --warning-color: #ffc107;
    --gray-color: #7c7b7b;
    --light-gray: #f5f5f5;
    --border-color: #dddddd;
    --text-color: #333333;
    --white: #FFFFFF;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--white);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

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

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

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

/* ===== HEADER ===== */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-logo {
    height: 40px;
    width: auto;
}

.brand-title {
    font-size: 24px;
    font-weight: 600;
}

.nav-header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

/* ===== FORMS ===== */
.form-container {
    background: var(--light-gray);
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.form-group {
    margin-bottom: 0px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    background: var(--white);
    color: var(--text-color);
    font-size: 14px;
    border-radius: 6px;
    min-height: 44px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(32, 93, 178, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* ===== LAYOUT COMPONENTS ===== */
.card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 20px;
    background: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 15px 20px;
    background: var(--light-gray);
    border-top: 1px solid var(--border-color);
}

/* ===== FILE MANAGER ===== */
.file-manager-nav {
    margin-bottom: 20px;
}

.root-directories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.root-directory {
    padding: 12px 20px;
    background: var(--light-gray);
    color: #666666;
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    min-height: 44px;
    transition: all 0.3s ease;
}

.root-directory.active,
.root-directory:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.breadcrumbs {
    color: #666666;
    padding: 10px 0;
}

.breadcrumb-link {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-link:hover {
    text-decoration: underline;
}

/* ===== FILE LIST ===== */
.file-list {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.file-item:last-child {
    border-bottom: none;
}

.file-item:hover {
    background: var(--light-gray);
}

.file-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-icon {
    font-size: 18px;
}

.file-details {
    display: flex;
    flex-direction: column;
}

.file-name {
    font-weight: 500;
    color: var(--text-color);
    text-decoration: none;
}

.file-name:hover {
    color: var(--primary-color);
}

.file-meta {
    font-size: 0.85em;
    color: #666666;
    margin-top: 4px;
}

.file-actions {
    display: flex;
    gap: 10px;
}

/* ===== STATUS BADGES ===== */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: 500;
}

.status-success {
    background: #e8f5e8;
    color: var(--success-color);
}

.status-error {
    background: #ffebee;
    color: var(--danger-color);
}

.status-warning {
    background: #fff3e0;
    color: #ef6c00;
}

.status-info {
    background: #e3f2fd;
    color: var(--primary-color);
}

/* ===== PLATFORM SECTIONS ===== */
.platform-section {
    margin-bottom: 25px;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.platform-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.platform-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.platform-name {
    font-weight: 600;
    font-size: 1.1em;
}

.platform-type {
    background: var(--primary-color);
    color: var(--white);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8em;
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

.p-0 { padding: 0; }
.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.flex-1 { flex: 1; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }

/* ===== FLASH MESSAGES ===== */
.flash-messages {
    margin-bottom: 20px;
}

.flash {
    padding: 15px 20px;
    margin-bottom: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--white);
}

.flash-success {
    border-color: var(--success-color);
    color: var(--success-color);
}

.flash-error {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.flash-info {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ===== LOGIN PAGE ===== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.login-form {
    background: var(--light-gray);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.login-title {
    text-align: center;
    margin-bottom: 30px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .app-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .nav-header {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .file-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .root-directories {
        justify-content: center;
    }
    
    .platform-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .login-form {
        padding: 20px;
    }
    
    .form-container {
        padding: 10px;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: 15px;
    }
}

/* Компактные формы */
.compact-form-group .form-control {
    padding: 8px 12px;
    font-size: 0.9em;
}

.compact-form-group .form-label {
    font-size: 0.85em;
    margin-bottom: 5px;
}

/* Компактные карточки */
.platform-card.compact {
    margin-bottom: 15px;
}

/* Уменьшенные отступы для компактного режима */
.form-group.compact {
    margin-bottom: 15px;
}