/* Variables */
:root {
    --color-primary: #261b89;
    --color-primary-dark: #261b89;
    --color-primary-light: #261b89;
    --color-accent: #c9a227;
    --color-bg: #f0edea;
    --color-bg-alt: #ebe8e0;
    --color-text: #2c2825;
    --color-text-muted: #6b6560;
    --color-border: #ebe8e0;
    --color-error: #b33a3a;
    --color-success: hsl(143, 46%, 33%);
    --font-display: 'Source Serif 4', Georgia, serif;
    --font-body: 'Outfit', system-ui, sans-serif;
    --radius: 8px;
    --shadow: 0 4px 20px rgba(26, 95, 74, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding: 2rem;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 560px;
}

.save-section .container-narrow {
    max-width: 1400px;
}

.save-section h1 {
    text-align: center;
    margin: 0 0 1rem;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
    width: 550px;
    padding: 0 0 0.5rem;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.save-section .section-desc {
    text-align: center;
    margin: 0 0 1.5rem;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-left: 385px;
    margin-right: 385px;
    max-width: 500px;
}

/* Header */
.site-header {
    background: var(--color-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.site-header .container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.15rem;
}

.logo-icon {
    font-size: 1.4rem;
    opacity: 0.9;
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: white;
}

.main-nav a.active {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.main-nav .nav-admin,
.main-nav .nav-login {
    margin-left: 0.5rem;
    padding-left: 1rem;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
}

/* Menu utilisateur */
.user-menu {
    position: relative;
    margin-left: 0.5rem;
    padding-left: 1rem;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.user-menu-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.95);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    border-radius: 50%;
}

.user-menu-btn:hover {
    color: white;
}

.user-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: white;
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    display: none;
    z-index: 1000;
}

.user-menu-dropdown.is-open {
    display: block;
}

.user-menu-info {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

.user-menu-info strong {
    display: block;
    font-size: 1rem;
}

.user-menu-info .user-role {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.user-menu-info .user-email {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.user-menu-dropdown .user-menu-item {
    display: block;
    padding: 0.75rem 1rem;
    color: #000 !important;
    text-decoration: none;
    font-weight: 500;
}

.user-menu-dropdown .user-menu-item:hover {
    background: var(--color-bg-alt);
    color: #000 !important;
}

/* Hero */
.hero {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    margin: 0 0 1rem;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    max-width: 540px;
    margin: 0 auto 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    transition: transform 0.15s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(201, 162, 39, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

.btn-success {
    background: #27ae60;
    color: white;
    border: 5px solid #219150;
    border-color: #219150;
    border-image: initial;
    border-radius: 6px;
    border-image-slice: 1;
    border-image-width: 1;
    border-image-outset: 0;
    border-image-repeat: stretch;
    border-image-source: initial;
}

.btn-success:hover {
    background: #1f9255;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Features */
.features {
    padding: 4rem 0;
}

.features h2 {
    font-family: var(--font-display);
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 2.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
}

.feature-number {
    position: absolute;
    top: -12px;
    left: 1.5rem;
    background: var(--color-primary);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin: 0.5rem 0 0.75rem;
}

.feature-card p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Upload / Forms */
.upload-section,
.result-section,
.verify-section,
.login-section {
    padding: 3rem 0;
}

.upload-panel {
    width: 100%;
    background: white;
    padding: 2rem 1.5rem;
    margin: 2rem 0;
    box-shadow: var(--shadow);
}

.upload-panel-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.upload-panel-form {
    background: transparent;
    padding: 0;
    box-shadow: none;
}

.upload-panel .btn-block {
    width: auto;
    max-width: 320px;
}

.upload-section h1,
.result-section h1,
.verify-section h1 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 0.5rem;
}

.upload-section p,
.result-section p,
.verify-section p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.5;
}

.section-desc {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-size: 1.05rem;
    line-height: 1.5;
    text-align: center;
    max-width: 500px;
    margin: 0 auto 2rem;
}

.upload-form,
.verify-form {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
        max-width: 600px;
        margin: 0 auto;
        padding: 2rem;
        border-radius: var(--radius);
        box-shadow: var(--shadow);

}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.4rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="file"],
.form-group input[type="search"] {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="file"],
.form-group input[type="search"],
.form-group select,
.upload-search input[type="search"] {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
}

.save-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.save-form .form-group:nth-child(n+5):nth-last-child(2),
.save-form .form-group:last-child,
.save-form button {
    grid-column: 1 / -1;
}

.upload-search,
.submission-picker,
.upload-form {
    width: 100%;
    max-width: 100%;
}

.upload-search,
.submission-picker {
    margin-bottom: 1.5rem;
    padding: flex start;

}

.upload-search .search-row {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, 360px);
    gap: 1rem;
    align-items: flex-start;
    border-radius: 30px;
    padding: 0.75rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.upload-submit-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.upload-actions {
    text-align: center;
    margin-top: 1rem;
}

.upload-actions a {
    display: inline-block;
}

.upload-section h1,
.verify-section h1 {
    text-align: center;
}

.upload-search .filter-group {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.25rem;
    margin-bottom: 0.5rem;

}

.upload-search .btn-search {
    width: 100%;
    max-width: 160px;
    padding: 0.75rem 1rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
}

.upload-search input[type="search"],
.upload-form select,
.upload-form input[type="search"] {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    appearance: none;
}

.upload-search .search-hint,
.submission-picker .search-hint {
    margin: 0.75rem 0 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

@media (max-width: 620px) {
    .upload-search .search-row {
        grid-template-columns: 1fr;
    }

    .upload-search .btn-search {
        max-width: 100%;
        width: 100%;
        padding: 0.75rem 1rem;
        background: var(--color-primary);
        color: white;
        border: none;
        border-radius: var(--radius);
        font-size: 1rem;
        font-weight: 500;
        cursor: pointer;
        transition: background 0.3s ease;
    }
}

.upload-form select:focus,
.upload-search input:focus,
.submission-picker input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 95, 74, 0.15);
}


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

.form-hint {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.3rem;
}

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

@media (max-width: 500px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.alert-error {
    background: #fde8e8;
    color: var(--color-error);
}

.alert-success {
    background: #e8f5ef;
    color: var(--color-success);
}

/* Result card */
.result-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.result-header h2 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    margin: 0 0 0.25rem;
}

.result-header .author {
    color: var(--color-text-muted);
    margin: 0 0 0.25rem;
}

.result-header .institution {
    font-size: 0.9rem;
    color: var(--color-primary);
    margin: 0 0 1.5rem;
}

.scores-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.score-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--radius);
    background: var(--color-bg-alt);
}

.score-card.originality {
    background: #e8f5ef;
    color: var(--color-success);
}

.score-card.similarity {
    background: #fef3e8;
    color: #b85c1a;
}

.score-card.words {
    background: #eef4f8;
    color: var(--color-primary);
}

.score-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
}

.score-label {
    font-size: 0.85rem;
    opacity: 0.9;
}

.result-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Verify result */
.verify-result {
    margin-top: 2rem;
}

.verify-result .result-card.valid {
    border-left: 4px solid var(--color-success);
}

.verify-result dl {
    margin: 1rem 0 1.5rem;
}

.verify-result dt {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.75rem;
}

.verify-result dt:first-child {
    margin-top: 0;
}

.verify-result dd {
    margin: 0.2rem 0 0;
}

/* Footer Contact */
.footer-contact {
    background: #f7f9fb;
    color: #1f2937;
    padding: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    border-bottom: 2px solid rgba(0, 0, 0, 0.08);
    margin-top: 2rem;
    margin-bottom: 0;
}

.footer-contact .container {
    padding: 0.25rem 1rem;
}

.footer-contact h2 {
    display: none;
}

.footer-contact p {
    display: none;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.contact-info span {
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    margin: 0;
    padding: 0;
}

.contact-info span:not(:last-child)::after {
    content: "";
}

/* Footer */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 1.5rem 0;
    margin-top: 0;
}

.site-footer .container {
    text-align: center;
}

.site-footer p {
    margin: 0;
    font-size: 0.9rem;
    text-align: center;
}

@media (max-width: 600px) {
    .scores-grid {
        grid-template-columns: 1fr;
    }
    
    .main-nav {
        gap: 1rem;
    }
}

/* Documents Management */
.documents-section {
    padding: 2rem 0;
}

.documents-section h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin: 0 0 0.5rem;
    color: var(--color-primary);
}

.section-desc {
    color: var(--color-text-muted);
    margin: 0 0 2rem;
    font-size: 1.05rem;
}

.documents-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

/* Upload Area */
.upload-area {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    text-align: center;
    position: center;
    overflow: hidden;
}

.upload-area h2 {
    font-size: 1.3rem;
    margin: 0 0 1.5rem;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 0.5rem;
}

.file-input-wrapper {
    margin-bottom: 1.5rem;
}

.file-drop-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--color-bg);
}

.file-drop-zone:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-alt);
}

.file-drop-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(45, 138, 110, 0.05);
    box-shadow: inset 0 0 10px rgba(45, 138, 110, 0.1);
}

.file-drop-zone svg {
    color: var(--color-primary);
    margin-bottom: 1rem;
    opacity: 0.7;
}

.file-drop-zone p {
    margin: 0 0 0.5rem;
    color: var(--color-text);
    font-weight: 500;
}

.file-input {
    display: none;
}

.file-help {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: 0.75rem;
    line-height: 1.5;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    background: white;
    padding: 0.75rem;
    font-size: 1rem;
    font-family: var(--font-body);
    color: var(--color-text);
    transition: border-color 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

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

.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    resize: vertical;
    transition: border-color 0.3s ease;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 138, 110, 0.1);
}

.form-textarea::placeholder {
    color: var(--color-text-muted);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 4px 12px rgba(26, 95, 74, 0.2);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--color-bg-alt);
    color: var(--color-text);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(26, 95, 74, 0.2);
}

.btn-icon.btn-danger:hover {
    background: var(--color-error);
}

/* Documents List Area */
.documents-list-area {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.documents-list-area h2 {
    font-size: 1.3rem;
    margin: 0 0 1.5rem;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 0.5rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-muted);
}

.empty-state svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state p {
    margin: 0.5rem 0;
}

.empty-state-hint {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.stat-item {
    background: var(--color-bg);
    padding: 1rem;
    border-radius: var(--radius);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.stat-value {
    display: block;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Documents Grid */
.saved-documents-list {
    margin-top: 2rem;
}

.saved-documents-list h2 {
    margin-bottom: 0.75rem;
    font-size: 1.15rem;
    color: var(--color-primary);
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
}

.saved-documents-list .document-card {
    display: grid;
    grid-template-rows: auto 1fr;
    min-width: 0;
    overflow-wrap: anywhere;
}

.document-card {
    display: grid;
    padding: 0.75rem;
    background: white;  
    border: 5.5px solid var(--color-border);
    border-radius: var(--radius);
    transition: all 0.2s ease;
    font-size: 0.85rem;
    min-height: 80px;
    gap: 0.5rem;
}

.document-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(26, 95, 74, 0.08);
}

.doc-filename {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.doc-actions {
    display: flex-end;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 0rem;
}

.doc-icon {
    gap: 0.15rem;
    justify-content: flex-end;
    flex-wrap: flex-end;
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    color: var(--color-primary);
    cursor: pointer;
    transition: color 0.2s;
}

.doc-icon:hover {
    color: var(--color-primary-dark);
    box-shadow: 0 2px 8px rgba(26, 95, 74, 0.08);
}

.doc-actions .btn,
.doc-actions .btn-danger,
.doc-actions .btn-secondary,
.doc-actions .btn-success {
    padding: 0.35rem 0.5rem;
    font-size: 0.75rem;
    min-width: 50px;
    max-width: 80px;
    flex: 0 0 auto;
    white-space: nowrap;
    text-align: center ;
}

.doc-type,
.doc-size,
.doc-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    background: white;
    padding: 0.25rem 0.4rem;
    border-radius: 4px;
}

.doc-description {
    margin: 0.5rem 0 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.doc-actions {
    display: flex;
    gap: 0.5rem;
}

.doc-delete-form {
    margin: 0;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.alert-error {
    background: #fdeaea;
    color: var(--color-error);
    border-left: 4px solid var(--color-error);
}

.alert-success {
    background: #e8f5e9;
    color: var(--color-success);
    border-left: 4px solid var(--color-success);
}

/* Responsive Design */
@media (max-width: 900px) {
    .documents-container {
        grid-template-columns: 1fr;
    }

    .documents-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .documents-grid {
        grid-template-columns: 1fr;
    }
    .documents-section {
        padding: 1rem 0;
    }

    .documents-section h1 {
        font-size: 1.5rem;
    }

    .upload-area,
    .documents-list-area {
        padding: 1.5rem;
    }

    .document-card {
        grid-template-columns: 50px 1fr 50px;
        gap: 0.75rem;
    }

    .doc-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .doc-actions {
        flex-direction: column;
    }

    .btn-icon {
        width: 100%;
    }

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