/* ========================================
   RESET E VARIÁVEIS
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Dark Blue Theme */
    --primary-dark: #0a1628;
    --secondary-dark: #132238;
    --accent-dark: #1a2f4a;
    --highlight: #2563eb;
    --highlight-hover: #1d4ed8;
    --pink: #ec4899;
    --pink-hover: #db2777;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #334155;
    --shadow: rgba(0, 0, 0, 0.5);
    
    /* Dimensões */
    --header-height: 60px;
    --footer-height: 50px;
    --controls-height: 150px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========================================
   CONTAINER PRINCIPAL
   ======================================== */
.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    height: var(--header-height);
    background: var(--secondary-dark);
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    box-shadow: 0 2px 10px var(--shadow);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo i {
    color: var(--pink);
    font-size: 1.8rem;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

.btn-header {
    background: var(--accent-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-header:hover {
    background: var(--highlight);
    transform: translateY(-2px);
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

/* ========================================
   CAMERA CONTAINER
   ======================================== */
.camera-container {
    position: relative;
    width: 100%;
    max-width: 1280px;
    aspect-ratio: 16/9;
    background: var(--accent-dark);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px var(--shadow);
    border: 3px solid var(--border-color);
}

#video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

#video.mirror {
    transform: scaleX(-1);
}

#canvas {
    position: absolute;
    top: 0;
    left: 0;
}

.filter-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* ========================================
   LOADING
   ======================================== */
.loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--secondary-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 10;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ========================================
   ERROR MESSAGE
   ======================================== */
.error-message {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--secondary-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-align: center;
    padding: 2rem;
    z-index: 10;
}

.error-message i {
    font-size: 4rem;
    color: var(--pink);
}

.error-message p {
    font-size: 1.3rem;
    font-weight: 600;
}

.error-message small {
    color: var(--text-secondary);
}

/* ========================================
   PHOTO PREVIEW
   ======================================== */
.photo-preview {
    position: relative;
    width: 100%;
    max-width: 1280px;
    aspect-ratio: 16/9;
    background: var(--accent-dark);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px var(--shadow);
    border: 3px solid var(--border-color);
}

#capturedPhoto {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.photo-flash {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    opacity: 0;
    pointer-events: none;
    z-index: 100;
}

.photo-flash.active {
    animation: flash 0.5s ease-out;
}

@keyframes flash {
    0% { opacity: 0; }
    50% { opacity: 0.8; }
    100% { opacity: 0; }
}

/* ========================================
   CONTROLS
   ======================================== */
.controls {
    width: 100%;
    max-width: 1280px;
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Filter Selector */
.filter-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    background: var(--secondary-dark);
    padding: 1rem 2rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.btn-filter-nav {
    background: var(--accent-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-filter-nav:hover {
    background: var(--highlight);
    transform: scale(1.1);
}

.current-filter {
    min-width: 200px;
    text-align: center;
}

#filterName {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--pink);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.btn-settings {
    background: var(--accent-dark);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-settings:hover {
    background: var(--highlight);
    transform: rotate(90deg) scale(1.1);
}

.btn-capture {
    background: var(--pink);
    border: 4px solid var(--pink-hover);
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(236, 72, 153, 0.4);
}

.btn-capture:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(236, 72, 153, 0.6);
}

.btn-capture:active {
    transform: scale(0.95);
}

.btn-back,
.btn-save {
    background: var(--accent-dark);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.btn-back:hover {
    background: var(--highlight);
    transform: translateY(-2px);
}

.btn-save {
    background: var(--pink);
    border-color: var(--pink-hover);
}

.btn-save:hover {
    background: var(--pink-hover);
    transform: translateY(-2px);
}

/* ========================================
   SETTINGS PANEL
   ======================================== */
.settings-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.settings-content {
    background: var(--secondary-dark);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 10px 40px var(--shadow);
}

.settings-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--pink);
}

.setting-item {
    margin-bottom: 1.5rem;
}

.setting-item label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.setting-select {
    width: 100%;
    background: var(--accent-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
}

.setting-item input[type="checkbox"] {
    margin-right: 0.5rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.btn-close-settings {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close-settings:hover {
    background: var(--pink);
    transform: rotate(90deg);
}

/* ========================================
   GALLERY THUMBNAILS
   ======================================== */
.gallery-thumbnails {
    width: 100%;
    max-width: 1280px;
    margin-top: 2rem;
    background: var(--secondary-dark);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: none;
}

.gallery-thumbnails.active {
    display: block;
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.gallery-header h4 {
    font-size: 1.3rem;
    color: var(--pink);
}

.btn-clear-gallery {
    background: var(--accent-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-clear-gallery:hover {
    background: var(--pink);
}

.thumbnails-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.thumbnail:hover {
    transform: scale(1.05);
    border-color: var(--pink);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-delete {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--pink);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.thumbnail:hover .thumbnail-delete {
    opacity: 1;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--secondary-dark);
    border-top: 2px solid var(--border-color);
    padding: 2rem 1rem;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--pink);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */
@media (max-width: 768px) {
    .header {
        padding: 0 1rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo i {
        font-size: 1.4rem;
    }

    .main-content {
        padding: 1rem;
    }

    /* Ajusta câmera para formato vertical no mobile */
    .camera-container {
        aspect-ratio: 9/16;
        max-width: 500px;
        margin: 0 auto;
        border-radius: 12px;
        border-width: 2px;
    }

    .photo-preview {
        aspect-ratio: 9/16;
        max-width: 500px;
        margin: 0 auto;
        border-radius: 12px;
        border-width: 2px;
    }

    .controls {
        margin-top: 1rem;
        gap: 1rem;
    }

    .filter-selector {
        padding: 0.75rem 1rem;
        gap: 1rem;
    }

    .btn-filter-nav {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    .current-filter {
        min-width: 150px;
    }

    #filterName {
        font-size: 1.1rem;
    }

    .action-buttons {
        gap: 1rem;
    }

    .btn-settings {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .btn-capture {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }

    .btn-back,
    .btn-save {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .settings-content {
        padding: 1.5rem;
    }

    .settings-content h3 {
        font-size: 1.5rem;
    }

    .gallery-thumbnails {
        padding: 1rem;
    }

    .thumbnails-container {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 0.75rem;
    }

    .footer p {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .logo span {
        display: none;
    }

    .btn-header {
        padding: 0.5rem;
    }

    /* Mantém formato vertical em telas pequenas */
    .camera-container,
    .photo-preview {
        aspect-ratio: 9/16;
        max-width: 100%;
    }

    .filter-selector {
        gap: 0.5rem;
    }

    .current-filter {
        min-width: 120px;
    }

    #filterName {
        font-size: 1rem;
    }

    .btn-back span,
    .btn-save span {
        display: none;
    }

    .btn-back,
    .btn-save {
        width: 50px;
        height: 50px;
        padding: 0;
        justify-content: center;
    }
}

/* ========================================
   MODAL DE VISUALIZAÇÃO DE FOTO
   ======================================== */
.photo-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    z-index: 2001;
}

.modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: var(--accent-dark);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--pink);
    transform: rotate(90deg);
}

#modalImage {
    max-width: 100%;
    max-height: 70vh;
    border-radius: 12px;
    border: 3px solid var(--border-color);
    box-shadow: 0 10px 50px var(--shadow);
}

.modal-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.modal-btn {
    background: var(--accent-dark);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.modal-btn:hover {
    background: var(--highlight);
    transform: translateY(-2px);
}

.modal-btn-danger {
    background: var(--accent-dark);
}

.modal-btn-danger:hover {
    background: var(--pink);
}

.modal-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    pointer-events: none;
}

.modal-nav-btn {
    background: var(--accent-dark);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
}

.modal-nav-btn:hover {
    background: var(--highlight);
    transform: scale(1.1);
}

.modal-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* ========================================
   FILTROS CSS
   ======================================== */
.filter-normal {
    filter: none;
}

.filter-grayscale {
    filter: grayscale(100%);
}

.filter-sepia {
    filter: sepia(100%);
}

.filter-invert {
    filter: invert(100%);
}

.filter-blur {
    filter: blur(3px);
}

.filter-brightness {
    filter: brightness(150%);
}

.filter-contrast {
    filter: contrast(200%);
}

.filter-saturate {
    filter: saturate(300%);
}

.filter-hue-rotate {
    filter: hue-rotate(90deg);
}

.filter-vintage {
    filter: sepia(50%) contrast(120%) brightness(90%);
}

.filter-cold {
    filter: hue-rotate(180deg) saturate(150%);
}

.filter-warm {
    filter: sepia(30%) saturate(150%) hue-rotate(-10deg);
}