/* Genel Sayfa Ayarları */
:root {
    --primary-color: #ffffff;
    --secondary-color: #f0f0f0;
    --background-color: #121212;
    --text-color: #e0e0e0;
    --accent-color: #bb86fc;
    --overlay-color: rgba(0, 0, 0, 0.6);
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-color);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1523438885209-e079360e8433?q=80&w=2574'); /* Placeholder */
    background-size: cover;
    background-position: center;
    filter: blur(4px);
    transform: scale(1.05);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-color);
}

.container {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 20px;
    width: 90%;
    max-width: 550px;
}

.message-box {
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 25px;
}

.message-box h1, .message-box h2 {
    margin-top: 0;
    font-size: 2.2em;
    font-weight: 600;
}
.message-box p {
    font-size: 1.1em;
    opacity: 0.8;
}

/* Yükleme Alanı */
#upload-box {
    transition: all 0.3s ease;
}
.upload-area {
    background-color: rgba(255, 255, 255, 0.05);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    padding: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area.drag-over {
    background-color: rgba(187, 134, 252, 0.1);
    border-color: var(--accent-color);
}

.upload-area p {
    margin: 15px 0;
    font-size: 1.2em;
}

.upload-area span {
    color: rgba(255, 255, 255, 0.5);
}

.file-select-btn {
    background-color: var(--accent-color);
    color: #000;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    margin-top: 15px;
    transition: background-color 0.2s;
}

.file-select-btn:hover {
    background-color: #a764fa;
}

/* İlerleme Çubuğu */
.progress-box {
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 25px;
    text-align: left;
}
.progress-bar-container {
    width: 100%;
    height: 10px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    overflow: hidden;
}
.progress-bar {
    width: 0%;
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 5px;
    transition: width 0.4s ease;
}
.progress-info, .progress-sub-info {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 0.9em;
}
.progress-sub-info {
    opacity: 0.7;
    font-size: 0.8em;
}
#progress-text {
    font-weight: 600;
}

/* Yardımcı Sınıflar */
.hidden {
    display: none !important;
}

/* SVG İkon stilleri */
.upload-area svg {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 5px;
}

#thank-you-box svg {
    color: var(--accent-color);
    margin-bottom: 15px;
}