/* A-Z Drone Service - 3D Viewer Styles */

:root {
    --black: #000000;
    --gray: #f1f1f1;
    --white: #ffffff;
    --text: #000000;
    --border: #000000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--gray);
    color: var(--text);
    overflow: hidden;
    height: 100vh;
}

/* Header */
.viewer-header {
    background: var(--black);
    color: var(--white);
    padding: 20px 0;
    border-bottom: 3px solid var(--black);
}

.viewer-header .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--white);
    text-decoration: none;
}

.header-tagline {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Code Entry Screen */
.code-entry-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 80px);
    padding: 40px 20px;
}

.code-entry-container {
    max-width: 600px;
    width: 100%;
    text-align: center;
}

.entry-icon {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 20px;
}

.code-entry-container h1 {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.code-entry-container > p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    font-weight: 600;
}

/* Code Form */
.code-form {
    margin-bottom: 40px;
}

#projectCodeInput {
    width: 100%;
    padding: 20px;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    border: 3px solid var(--black);
    background: var(--white);
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    font-family: Arial, Helvetica, sans-serif;
}

#projectCodeInput:focus {
    outline: none;
    background: var(--gray);
}

#projectCodeInput::placeholder {
    color: #999;
    font-weight: 600;
}

.btn-view {
    width: 100%;
    padding: 20px;
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 2px;
    background: var(--black);
    color: var(--white);
    border: 3px solid var(--black);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-view:hover {
    background: var(--white);
    color: var(--black);
}

/* Code Help */
.code-help {
    background: var(--white);
    border: 2px solid var(--black);
    padding: 30px;
    margin-bottom: 30px;
}

.code-help p {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.code-help p:last-child {
    margin-bottom: 0;
}

.code-help a {
    color: var(--black);
    font-weight: 700;
    text-decoration: underline;
}

/* Demo Access */
.demo-access {
    background: var(--black);
    color: var(--white);
    padding: 30px;
    border: 3px solid var(--black);
}

.demo-label {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.demo-btn {
    width: 100%;
    padding: 15px;
    margin-bottom: 10px;
    font-size: 1rem;
    font-weight: 700;
    background: var(--white);
    color: var(--black);
    border: 2px solid var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    font-family: Arial, Helvetica, sans-serif;
}

.demo-btn:last-child {
    margin-bottom: 0;
}

.demo-btn:hover {
    background: var(--gray);
}

/* Viewer Screen Layout */
.viewer-screen {
    display: flex;
    height: calc(100vh - 80px);
}

/* Sidebar */
.sidebar {
    width: 400px;
    background: var(--white);
    border-right: 3px solid var(--black);
    overflow-y: auto;
    flex-shrink: 0;
}

.project-header {
    background: var(--black);
    color: var(--white);
    padding: 20px;
    border-bottom: 3px solid var(--black);
}

.back-btn {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 15px;
    font-family: Arial, Helvetica, sans-serif;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: var(--white);
    color: var(--black);
}

.project-code {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 3px;
}

/* Project Info Sections */
.project-info {
    padding: 20px;
}

.info-section {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--gray);
}

.info-section:last-child {
    border-bottom: none;
}

.info-section h3 {
    font-size: 0.9rem;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.info-row .label {
    font-weight: 600;
}

.info-row .value {
    font-weight: 900;
    text-align: right;
}

/* Download Buttons */
.download-btn {
    width: 100%;
    padding: 15px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    background: var(--black);
    color: var(--white);
    border: 2px solid var(--black);
    cursor: pointer;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: Arial, Helvetica, sans-serif;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: var(--gray);
    color: var(--black);
}

.download-btn:last-child {
    margin-bottom: 0;
}

.btn-icon {
    font-size: 1.2rem;
    font-weight: 900;
}

/* Share Link */
.share-link-container {
    display: flex;
    gap: 10px;
}

.share-link-input {
    flex: 1;
    padding: 12px;
    font-size: 0.85rem;
    border: 2px solid var(--black);
    background: var(--gray);
    font-family: monospace;
}

.copy-btn {
    padding: 12px 20px;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--black);
    color: var(--white);
    border: 2px solid var(--black);
    cursor: pointer;
    font-family: Arial, Helvetica, sans-serif;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: var(--white);
    color: var(--black);
}

/* Viewer Main Area */
.viewer-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Viewer Controls */
.viewer-controls {
    background: var(--white);
    border-bottom: 3px solid var(--black);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.control-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.view-btn {
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--gray);
    color: var(--black);
    border: 2px solid var(--black);
    cursor: pointer;
    font-family: Arial, Helvetica, sans-serif;
    transition: all 0.3s ease;
}

.view-btn:hover,
.view-btn.active {
    background: var(--black);
    color: var(--white);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Canvas Container */
#viewerCanvas {
    flex: 1;
    background: var(--gray);
    position: relative;
}

/* Viewer Instructions */
.viewer-instructions {
    background: var(--black);
    color: var(--white);
    padding: 12px 20px;
    text-align: center;
}

.viewer-instructions p {
    font-size: 0.85rem;
    font-weight: 600;
}

/* Loading Indicator */
.loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: var(--white);
    padding: 40px;
    border: 3px solid var(--black);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 6px solid var(--gray);
    border-top: 6px solid var(--black);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-indicator p {
    font-size: 1rem;
    font-weight: 700;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        width: 320px;
    }

    .viewer-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .control-group {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .viewer-screen {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        max-height: 40vh;
        border-right: none;
        border-bottom: 3px solid var(--black);
    }

    .viewer-header .container {
        flex-direction: column;
        gap: 10px;
    }

    .code-entry-container h1 {
        font-size: 2rem;
    }

    #projectCodeInput {
        font-size: 1.2rem;
    }
}