:root {
    /* ANA RENKLER: LACİVERT VE TURUNCU (DARK MODE DEFAULT) */
    --bg-color: #0B132B; 
    --card-bg: #1C2541; 
    --text-color: #F5F5F7; 
    --text-muted: #8AA1B1;
    --tag-bg: #3A506B; 
    --border-color: #3A506B; 
    --folder-color: #FF9F0A; 
    --danger-color: #FF3B30;
    --card-shadow: rgba(0,0,0,0.4); 
    --card-hover-shadow: rgba(255, 159, 10, 0.2);
}

body.light-mode {
    --bg-color: #F0F4F8; 
    --card-bg: #FFFFFF;
    --text-color: #0B132B; 
    --text-muted: #5C6B7B;
    --tag-bg: #D9E2EC; 
    --border-color: #D9E2EC; 
    --folder-color: #F97316; 
    --card-shadow: rgba(11, 19, 43, 0.08); 
    --card-hover-shadow: rgba(249, 115, 22, 0.15);
}

body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background-color: var(--bg-color); color: var(--text-color); margin: 0; padding: 40px 20px; transition: background-color 0.3s, color 0.3s; }
.container { max-width: 1000px; margin: 0 auto; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
h1 { margin: 0; font-size: 32px; font-weight: 800; display: flex; align-items: center; letter-spacing: -0.5px;}
header p { color: var(--text-muted); margin: 5px 0 0 0; }
.header-buttons { display: flex; gap: 10px; }

.beta-badge { background-color: var(--folder-color); color: white; font-size: 12px; font-weight: 800; padding: 3px 8px; border-radius: 8px; vertical-align: middle; margin-left: 10px; letter-spacing: 1px; }

button { border: none; padding: 10px 20px; border-radius: 12px; font-size: 14px; font-weight: 600; cursor: pointer; transition: 0.2s; }
button:active { transform: scale(0.95); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.primary-btn { background-color: var(--folder-color); color: var(--bg-color); font-weight: 700; }
.secondary-btn { background-color: var(--tag-bg); color: var(--text-color); }

.breadcrumb { background-color: var(--card-bg); padding: 12px 20px; border-radius: 12px; margin-bottom: 30px; font-size: 14px; font-weight: 600; color: var(--text-muted); box-shadow: 0 2px 8px var(--card-shadow); display: flex; gap: 8px; }
.yol-elemani { cursor: pointer; color: var(--text-color); transition: 0.2s; }
.yol-elemani:hover { color: var(--folder-color); }
.ayirici { color: var(--text-muted); }

.grid-layout { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; }
.card { 
    background-color: var(--card-bg); border-radius: 18px; padding: 20px; 
    box-shadow: 0 4px 14px var(--card-shadow); transition: 0.2s; cursor: pointer; 
    position: relative; display: flex; flex-direction: column; 
    aspect-ratio: 1 / 1; overflow: hidden; justify-content: center; align-items: center; text-align: center; border: 1px solid var(--border-color);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 20px var(--card-hover-shadow); border-color: var(--folder-color);}


/* ==========================================================================
   ÖZEL İKON ALANLARI (TASARIMLARINI BURAYA EKLEYECEKSİN)
   ========================================================================== */

/* 1. Klasör İkonu (Büyük) */
.icon-folder { 
    width: 64px; 
    height: 64px; 
    margin-bottom: 12px; 
    background-size: contain; 
    background-repeat: no-repeat; 
    background-position: center; 
    position: relative; 
    z-index: 2; 
    /* TASARIMINI PROJE KLASÖRÜNE AT VE İSMİNİ AŞAĞIYA YAZ (örn: klasor.png) */
    background-image: url('klasor-ikonun.png'); 
}

/* 2. Düzenle (Kalem) İkonu */
.duzenle-btn { 
    position: absolute; top: 12px; right: 48px; z-index: 10; 
    background-color: var(--tag-bg); border: none; border-radius: 50%; 
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; 
    cursor: pointer; opacity: 0; transition: 0.2s; padding: 0;
    background-size: 18px; background-repeat: no-repeat; background-position: center;
    /* TASARIMINI PROJE KLASÖRÜNE AT VE İSMİNİ AŞAĞIYA YAZ (örn: kalem.png) */
    background-image: url('kalem-ikonun.png'); 
}

/* 3. Tema Değiştirme İkonu (Buton İçi Küçük İkon) */
.ikon-tema {
    display: inline-block; width: 16px; height: 16px; vertical-align: middle; margin-right: 5px;
    background-size: contain; background-repeat: no-repeat;
    /* TASARIMINI PROJE KLASÖRÜNE AT VE İSMİNİ AŞAĞIYA YAZ (örn: kristal.png) */
    background-image: url('tema-ikonun.png');
}

/* Kapat/Sil İkonu Standart (X İşareti) */
.sil-btn { position: absolute; top: 12px; right: 12px; z-index: 10; background-color: transparent; color: var(--danger-color); border: 1px solid var(--danger-color); border-radius: 50%; width: 32px; height: 32px; font-size: 16px; display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: 0; transition: 0.2s; padding: 0; }
.card:hover .sil-btn, .card:hover .duzenle-btn { opacity: 1; } 
.sil-btn:hover { background-color: var(--danger-color); color: white; transform: scale(1.1); }
.duzenle-btn:hover { transform: scale(1.1); background-color: var(--folder-color); }

/* ========================================================================== */


.tag { position: absolute; top: 12px; left: 12px; background-color: var(--tag-bg); padding: 4px 10px; border-radius: 12px; font-size: 12px; z-index: 2; font-weight: bold; color: var(--text-color);}
.title { font-size: 18px; font-weight: 600; margin: 0; position: relative; z-index: 2; width: 100%; word-wrap: break-word;}

.modal { display: none; position: fixed; z-index: 100; left: 0; top: 0; width: 100%; height: 100%; background: rgba(11, 19, 43, 0.8); backdrop-filter: blur(8px); align-items: center; justify-content: center; }
.modal-content { background-color: var(--card-bg); border-radius: 20px; padding: 30px; width: 90%; max-width: 600px; position: relative; border: 1px solid var(--border-color); }
.kapat-btn { position: absolute; top: 20px; right: 20px; font-size: 24px; cursor: pointer; color: var(--text-muted); }
.modal-body h3 { margin-top: 20px; font-size: 14px; margin-bottom: 10px; }

.link-input { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--border-color); background: var(--bg-color); color: var(--text-color); margin-bottom: 15px; box-sizing: border-box; font-size: 14px;}
.link-input:focus { outline: 2px solid var(--folder-color); border-color: transparent;}
textarea { width: 100%; height: 150px; background: var(--bg-color); color: var(--text-color); border: 1px solid var(--border-color); border-radius: 12px; padding: 15px; resize: vertical; margin-bottom: 15px; font-family: inherit; box-sizing: border-box;}
textarea:focus { outline: 2px solid var(--folder-color); border-color: transparent;}

.segment-control { display: flex; background: var(--tag-bg); border-radius: 10px; padding: 4px; margin-bottom: 20px; }
.segment-control input { display: none; }
.segment-control label { flex: 1; text-align: center; padding: 10px; font-size: 14px; font-weight: 600; color: var(--text-muted); cursor: pointer; border-radius: 8px; transition: 0.3s; }
.segment-control input:checked + label { background: var(--card-bg); color: var(--folder-color); box-shadow: 0 2px 5px var(--card-shadow); }
.file-upload-box { border: 2px dashed var(--border-color); border-radius: 12px; padding: 30px; text-align: center; margin-bottom: 15px; }
.file-upload-box input { width: 100%; color: var(--text-color); }

.auth-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg-color); z-index: 9999; display: flex; align-items: center; justify-content: center; }
.auth-card { background: var(--card-bg); padding: 40px; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.6); width: 100%; max-width: 350px; text-align: center; border: 1px solid var(--border-color);}
.auth-link { font-size: 13px; color: var(--text-muted); margin-top: 15px; cursor: pointer; transition: 0.2s; }
.auth-link:hover { color: var(--folder-color); }

.password-wrapper { position: relative; width: 100%; margin-bottom: 15px; }
.password-wrapper .link-input { margin-bottom: 0 !important; padding-right: 65px; }
.toggle-password { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); cursor: pointer; font-size: 11px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; color: var(--text-muted); user-select: none; z-index: 10; transition: color 0.2s ease; }
.toggle-password:hover { color: var(--folder-color); }