/* Modallar: demo formu + sanal deneme kamerasi (eski tasarimdan korundu) */
/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content.glass-panel {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2.5rem;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    animation: modalFadeIn 0.4s ease forwards;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-content h2 {
    margin-bottom: 0.5rem;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-family: var(--font-main);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group input[type="file"] {
    padding: 0.6rem;
}

#demoForm .btn-primary {
    width: 100%;
    margin-top: 1rem;
    border: none;
    cursor: pointer;
}

/* ==========================================================================
   VTO Camera Modal (Full experience)
   ========================================================================== */

.vto-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.vto-modal.show {
    display: flex;
}

.vto-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.vto-modal-container {
    position: relative;
    z-index: 2;
    width: 95%;
    max-width: 960px;
    height: 88vh;
    background: #0d0d0d;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    display: grid;
    grid-template-columns: 1fr 340px;
    overflow: hidden;
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.8);
    animation: modalFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.vto-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.vto-close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

/* Viewport Area */
.vto-viewport-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    background: #000;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

#vtoVideo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.2s ease;
}

#vtoCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    transition: transform 0.2s ease;
}

.vto-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 5, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    z-index: 5;
}

.vto-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

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

.vto-loading-overlay p {
    color: var(--text-primary);
    font-size: 0.95rem;
    letter-spacing: -0.01em;
}

/* Hand Guide Box */
.vto-hand-guide {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 3;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.vto-hand-guide.detected {
    opacity: 0;
    visibility: hidden;
}

.hand-guide-box {
    position: relative;
    width: 220px;
    height: 280px;
    border: 1px dashed rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 1.2rem;
}

.hand-guide-box p {
    font-size: 0.85rem;
    background: rgba(0, 0, 0, 0.6);
    padding: 0.3rem 0.8rem;
    border-radius: 100px;
    color: var(--text-primary);
}

/* Controls Panel */
.vto-controls-panel {
    background: rgba(18, 18, 18, 0.95);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.vto-controls-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.vto-controls-header h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

.vto-icon-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.2s;
}

.vto-icon-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.vto-options-grid {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    flex: 1;
}

.vto-option-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    font-weight: 500;
}

.material-swatches {
    display: flex;
    gap: 0.6rem;
}

.swatch-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 0.6rem 0.4rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.swatch-btn span:last-child {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.swatch-color {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: inline-block;
}

.swatch-color.gold {
    background: linear-gradient(135deg, #ffd700 0%, #d4af37 100%);
    box-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.swatch-color.silver {
    background: linear-gradient(135deg, #ffffff 0%, #b0b0b0 100%);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.swatch-color.rose {
    background: linear-gradient(135deg, #fbc2b5 0%, #e08b7b 100%);
    box-shadow: 0 0 8px rgba(240, 150, 130, 0.3);
}

.swatch-btn.active {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.1);
}

.swatch-btn.active span:last-child {
    color: #fff;
    font-weight: 600;
}

.finger-selector {
    display: flex;
    gap: 0.5rem;
}

.finger-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    border-radius: 10px;
    padding: 0.5rem 0.3rem;
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.finger-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.finger-btn.active {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.15);
    color: #fff;
    font-weight: 600;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
}

.slider-header span {
    font-size: 0.8rem;
    color: var(--accent-hover);
    font-weight: 600;
}

#ringSizeSlider {
    width: 100%;
    accent-color: var(--accent-color);
    cursor: pointer;
}

@media (max-width: 900px) {
    .vto-modal-container { grid-template-columns: 1fr; grid-template-rows: 1fr auto; height: 94vh; }
    .vto-controls-panel { padding: 1rem; border-left: none; border-top: 1px solid rgba(255,255,255,0.08); }
    .vto-options-grid { gap: 1rem; margin-bottom: 1rem; }
}