/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@500;600;700&display=swap');

/* --- :ROOT Değişkenleri (Açık Tema Varsayılan) --- */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --success: #10b981;
    --warning: #f59e0b;
    --info: #0ea5e9;

    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-light: #f1f5f9;
    --text-on-primary: #ffffff;

    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-input: #f9fafb;
    --border-color: #e5e7eb;

    --font-body: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

/* --- Karanlık Tema Değişkenleri --- */
body.dark {
    --primary: #4f8ff7;
    --primary-dark: #3b82f6;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-on-primary: #ffffff;

    --bg-page: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --border-color: #334155;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
}

/* --- Genel Sıfırlama ve Body --- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--bg-page);
    transition: background-color 0.3s, color 0.3s;
}

/* --- Başlık Stilleri (h1-h6) --- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin: 0 0 0.5em 0;
}

h2 {
    font-size: 1.5em;
}

h3 {
    font-size: 1.25em;
}

p {
    color: var(--text-secondary);
}

hr {
    border: none;
    height: 1px;
    background-color: var(--border-color);
    margin: 1.5rem 0;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-dark);
}

/* --- Ana Uygulama Header'ı --- */
.app-header {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 10px;
}

.app-header h1 {
    font-size: 1.25em;
    margin: 0;
}

.app-header .header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

@media (max-width: 640px) {
    .app-header {
        justify-content: center;
    }
}


/* --- Genel Konteyner --- */
.container-fluid {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    box-sizing: border-box;
}

/* --- Kart Stili (Ana bileşen) --- */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    margin: 0;
}

/* --- Form Elemanları --- */
input[type="text"],
input[type="password"],
input[type="file"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-input);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1em;
    transition: border 0.3s, box-shadow 0.3s;
    box-sizing: border-box;
    /* EKLENDİ */
}

input[type="file"] {
    padding: 0.5rem;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

/* --- Buton Stilleri --- */
.btn {
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    font-family: var(--font-heading);
    font-size: 0.9em;
    color: var(--text-on-primary) !important;
    /* !important eklendi */
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

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

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

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

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

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

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

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

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-secondary) !important;
    /* !important eklendi */
}

body.dark .btn-secondary {
    background-color: var(--border-color);
    color: var(--text-light) !important;
    /* !important eklendi */
}

/* Tema Değiştirici Butonu */
.theme-toggle {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1.2em;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.theme-toggle:hover {
    background: var(--border-color);
    color: var(--text-primary);
}


/* --- Giriş/Kayıt/Ayar Sayfaları için Özel Stiller --- */
body.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-page);
}

.auth-container {
    background: var(--bg-card);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    margin: 1rem;
}

.auth-container h2 {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.auth-container form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
}

.auth-container form .actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.auth-container .auth-link {
    display: block;
    margin-top: 1.5rem;
}

/* --- Mesaj Stilleri --- */
.message,
.error {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-align: center;
}

.message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: #065f46;
}

.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

body.dark .message {
    background: #064e3b;
    color: #a7f3d0;
}

body.dark .error {
    background: #450a0a;
    color: #fca5a5;
}

/* --- Modal Stilleri --- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    width: 500px;
    max-width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content .modal-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.5rem;
}

/* Çizim Modalı için Genişletme */
#drawModal .modal-content {
    width: 95%;
    max-width: 1000px;
}

#drawCanvas {
    width: 100%;
    height: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: crosshair;
    margin-top: 1rem;
}

body.dark #drawCanvas {
    background: #f1f5f9;
    /* Karanlık modda da açık renk kalsın */
}

.draw-toolbar-container {
    background: var(--bg-page);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.draw-toolbar-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.draw-toolbar-group strong {
    font-size: 0.9em;
    color: var(--primary);
    margin-right: 0.5rem;
}

.draw-tool-btn,
.color-swatch,
.action-btn,
.delete-btn,
.close-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.9em;
    border-radius: var(--radius-md);
    border: none;
    color: white;
    cursor: pointer;
}

.draw-tool-btn {
    background-color: var(--text-secondary);
}

.draw-tool-btn.active {
    background-color: var(--primary);
}

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

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

.close-btn {
    background-color: #6b7280;
}

.color-palette {
    display: flex;
    gap: 6px;
}

.color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
}

.color-swatch.active {
    border-color: var(--primary);
    transform: scale(1.1);
}

/* Modal butonlarını btn class'ı ile stillendir */
#noteModal .modal-actions .btn {
    padding: 0.5rem 1rem;
}

/* --- Dashboard'a Özel Kartlar (Notlar, Dosyalar) --- */
.item-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.note-card,
.file-card {
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow-sm);
}

body.dark .note-card,
body.dark .file-card {
    background: var(--card-dark);
    border-color: var(--border-dark);
}

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

.note-card h4,
.file-card strong {
    margin: 0 0 0.25rem 0;
    font-family: var(--font-heading);
    word-break: break-word;
}

.note-card small,
.file-card small {
    color: var(--text-secondary);
    font-size: 0.85em;
    display: block;
    /* EKLENDİ */
}

.note-card .note-actions {
    margin-top: 1rem;
}

.note-card .view-btn {
    padding: 0.5rem;
    font-size: 0.9em;
    width: 100%;
}

.file-card .file-icon {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 0.5rem;
}

.file-card .file-actions {
    margin-top: 0.75rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.file-card .file-actions a,
.file-card .file-actions button {
    padding: 0.35rem 0.6rem;
    font-size: 0.8em;
    border-radius: 6px;
}

.file-card input[type="checkbox"] {
    width: auto;
    margin-left: auto;
}

/* Çizim Kartı Özel */
.drawing-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
}

#drawingList .file-card {
    background: var(--bg-card);
    /* Çizim kartları daha belirgin olsun */
}

body.dark #drawingList .file-card {
    background: var(--bg-card);
}

#drawingList .file-actions a,
#drawingList .file-actions button {
    font-size: 1em;
}

/* --- Admin Paneli Stilleri --- */
.user-card {
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

body.dark .user-card {
    background: var(--bg-card);
}

.user-info {
    flex: 1;
    min-width: 200px;
}

.user-info h4 {
    margin: 0 0 4px 0;
}

.user-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.user-actions .btn {
    /* Admin panelindeki butonları küçült */
    padding: 0.5rem 0.75rem;
    font-size: 0.9em;
}

/* Disk Kullanımı */
#diskUsage .progress-bar {
    margin-top: 5px;
    background: #e5e7eb;
    border-radius: 10px;
    overflow: hidden;
}

body.dark #diskUsage .progress-bar {
    background: var(--border-color);
}

#diskUsage .progress-fill {
    height: 12px;
    transition: width 0.3s;
}

/* Yükleme Alanı */
#dropArea {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    background: var(--bg-input);
    transition: background 0.3s, border 0.3s;
    cursor: pointer;
}

#dropArea p {
    font-size: 1.1em;
    margin: 0;
}

#dropArea:hover {
    background: var(--bg-page);
    border-color: var(--primary);
}
/* Yükleme Önizleme Kartları */
#previewArea .preview-card,
#projectPreviewArea .preview-card {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 5px;
    background: var(--bg-input);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

#previewArea .preview-card img,
#projectPreviewArea .preview-card img {
    display: block;
}

/* Önizleme Metni (Görüntü olmayan dosyalar için) */
#previewArea .preview-text,
#projectPreviewArea .preview-text {
    width: 80px;
    height: 80px;
    font-size: 0.8em;
    padding: 5px;
    word-break: break-all;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* Önizleme İptal Butonu */
.preview-cancel-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 22px;
    height: 22px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    padding: 0;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    z-index: 10;
}
.preview-cancel-btn:hover {
    background: #c0392b; /* Koyu kırmızı */
}
/* Proje Üyeleri Listesi için kapsayıcı (inline stili kaldırdık) */
.member-list-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Badge içindeki küçük rol yazısı için */
.role-badge small {
    margin-left: 6px;
}

/* Aşağıdaki stiller admin_dashboard.php için zaten olmalı,
   ancak yoksa bunları da ekleyin:
*/

/* Karanlık Mod Renkleri */
body.dark .role-manager {
    background-color: #713f12;
    color: #fef9c3;
}
body.dark .role-admin {
    background-color: #991b1b;
    color: #fee2e2;
}

/* --- Rol Göstergeleri (Rozetler) --- */
.role-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9em;
    display: inline-flex;
    align-items: center;
}

.role-badge small {
    margin-left: 6px;
    opacity: 0.8;
    font-weight: 400;
}

/* DÜZELTME: .role-user (Temel değişkenleri kullanır) */
.role-user {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    /* DÜZELTME: Sorun buradaydı. CSS dosyanızda --text-color tanımlı değil. 
      --text-primary (tanımlı olan) kullanılmalı. 
    */
    color: var(--text-primary);
}

/* .role-manager (Yönetici) */
.role-manager {
    background-color: #fef9c3; /* Açık Sarı */
    color: #713f12;
}

/* .role-admin (Süper Admin) */
.role-admin {
    background-color: #fee2e2; /* Açık Kırmızı */
    color: #991b1b;
}

/* --- Karanlık Tema Geçersiz Kılmaları --- */
body.dark .role-user {
    /* Değişkenler otomatik olarak karanlık temayı alır */
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

body.dark .role-manager {
    background-color: #713f12;
    color: #fef9c3;
}

body.dark .role-admin {
    background-color: #991b1b;
    color: #fee2e2;
}

/* YENİ: Admin Rol Değiştirme Açılır Menüsü 
  (Aydınlık temada beyaz yazı sorununu çözer)
*/
.role-select {
    background-color: var(--bg-input);
    color: var(--text-primary); /* Değişkeni kullan */
    border: 1px solid var(--border-color);
    padding: 6px 10px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    margin-right: 5px;
}

body.dark .role-select {
    /* Değişkenler otomatik olarak karanlık temayı alır */
    background-color: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--border-color);
}
/* --- SweetAlert Input Genişlik Düzeltmesi --- */
.swal2-popup .swal2-input {
    width: auto; /* Genel width: 100% kuralını geçersiz kıl */
    max-width: 100%; /* Yine de modalın dışına taşmasını engelle */
    /* Gerekirse ek stiller, örneğin: */
    /* margin-left: auto; */
    /* margin-right: auto; */
    /* display: block; */ /* Veya SweetAlert'ın varsayılanı */
}