@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
    /* Light Mode Variables */
    --bg-color: #f0f2f5;
    --text-color: #2d3436;
    --card-bg: rgba(255, 255, 255, 0.65);
    --border-color: rgba(255, 255, 255, 0.8);
    --accent-color: #6c5ce7;
    --accent-hover: #5649c0;
    --secondary-text: #636e72;
    --dropzone-bg: rgba(255, 255, 255, 0.5);
    --dropzone-border: #a29bfe;
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --blob-1: #ff9a9e;
    --blob-2: #fad0c4;
    --blob-3: #a18cd1;
}

[data-theme="dark"] {
    /* Dark Mode Variables */
    --bg-color: #0f0f12;
    --text-color: #dfe6e9;
    --card-bg: rgba(23, 23, 28, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --accent-color: #a29bfe;
    --accent-hover: #8e84f5;
    --secondary-text: #b2bec3;
    --dropzone-bg: rgba(255, 255, 255, 0.03);
    --dropzone-border: #6c5ce7;
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --blob-1: #4a1c40;
    --blob-2: #1a1a2e;
    --blob-3: #16213e;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Blobs (Aura Effect) */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    filter: blur(80px);
    opacity: 0.6;
    border-radius: 50%;
    animation: float 10s infinite alternate;
}

.blob-1 { top: -10%; left: -10%; width: 500px; height: 500px; background: var(--blob-1); }
.blob-2 { bottom: -10%; right: -10%; width: 400px; height: 400px; background: var(--blob-2); animation-delay: -5s; }
.blob-3 { top: 40%; left: 40%; width: 300px; height: 300px; background: var(--blob-3); animation-duration: 15s; }

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(30px, 50px) rotate(10deg); }
}

.container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
    z-index: 10;
}

/* Glassmorphism Card */
.upload-box, .result-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    text-align: center;
}

/* HEADER MODIFIED FOR CENTERED TEXT */
.header {
    position: relative; /* Penting untuk absolute positioning button */
    display: flex;
    justify-content: center; /* Memaksa konten (judul) ke tengah */
    align-items: center;
    margin-bottom: 25px;
    min-height: 40px;
}

.title {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-color), #ff7675);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 0.9rem;
    color: var(--secondary-text);
    margin-top: -5px;
}

/* Theme Toggle Button (Modified) */
.theme-toggle {
    position: absolute; /* Lepas dari aliran dokumen */
    right: 0; /* Tempel ke kanan */
    top: 50%; /* Posisikan vertikal di tengah */
    transform: translateY(-50%); /* Koreksi posisi tengah */
    
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-color);
    padding: 10px;
    border-radius: 50%;
    background: var(--dropzone-bg);
    transition: transform 0.2s;
}

.theme-toggle:hover {
    transform: translateY(-50%) rotate(15deg) scale(1.1);
}

/* Dropzone */
.file-input-wrapper {
    background: var(--dropzone-bg);
    border: 2px dashed var(--dropzone-border);
    border-radius: 20px;
    padding: 40px 20px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.file-input-wrapper:hover, .file-input-wrapper.dragover {
    border-style: solid;
    transform: scale(1.02);
    background: rgba(108, 92, 231, 0.1);
}

.file-input {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    font-size: 3.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
}

.upload-text {
    font-weight: 600;
    font-size: 1.1rem;
}

.allowed-types {
    font-size: 0.8rem;
    color: var(--secondary-text);
    margin-top: 5px;
}

.file-name {
    margin-top: 15px;
    font-weight: 700;
    color: var(--accent-color);
    word-break: break-all;
    background: rgba(108, 92, 231, 0.1);
    padding: 5px 10px;
    border-radius: 8px;
    display: inline-block;
}

/* Buttons */
.process-btn, .copy-btn, .secondary-btn {
    font-family: 'Outfit', sans-serif;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.process-btn {
    width: 100%;
    margin-top: 25px;
    padding: 16px;
    background: var(--accent-color);
    color: white;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.process-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(108, 92, 231, 0.4);
}

.process-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Result Area */
.link-group {
    display: flex;
    background: var(--bg-color);
    padding: 5px;
    border-radius: 12px;
    margin: 20px 0;
    border: 1px solid var(--border-color);
}

.link-group input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 10px;
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    outline: none;
}

.copy-btn {
    background: var(--accent-color);
    color: white;
    border-radius: 8px;
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.secondary-btn {
    padding: 12px 20px;
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.secondary-btn:hover {
    background: var(--bg-color);
    border-color: var(--accent-color);
}

/* Loading & Error */
.loading { margin-top: 20px; }
.spinner {
    width: 40px; height: 40px;
    border: 4px solid var(--dropzone-border);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    margin: 0 auto 10px;
    animation: spin 1s linear infinite;
}

.error-msg {
    margin-top: 20px;
    padding: 15px;
    background: rgba(255, 118, 117, 0.15);
    color: #d63031;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255, 118, 117, 0.3);
}

.footer {
    text-align: center;
    margin-top: 30px;
    font-size: 0.8rem;
    color: var(--secondary-text);
    opacity: 0.7;
}

@keyframes spin { 100% { transform: rotate(360deg); } }

/* Mobile Response */
@media (max-width: 480px) {
    .container { padding: 15px; }
    .upload-box { padding: 30px 20px; }
    .title { font-size: 1.5rem; }
}