:root {
    --primary-color: #019861;
    --text-color: #0e141a;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s ease;
    --container-bg: rgba(255, 255, 255, 0.7);
    --element-bg: rgba(255, 255, 255, 0.85);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-image: url('../twlbackground.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    width: 100%;
    background: var(--container-bg);
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    min-height: 100vh;
}

h1, h2, h3 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

h1 {
    font-size: 1.8rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), #01c77d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 1rem 0;
    padding: 0.5rem;
}

h2 {
    font-size: 1.4rem;
}

.step {
    /*background: var(--element-bg);*/
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 12px var(--shadow-color);
}

.capture-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 0;
    padding: 0;
    width: 100%;
    align-items: center;
}

#captureSection {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    /*background: var(--element-bg);*/
    border-radius: 16px;
    padding: 1.5rem;
}

.camera-container, .example-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform var(--transition-speed);
    width: 100%;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--element-bg);
}

.camera-container video, 
.camera-container img,
.example-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.example-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.example-container p {
    margin: 0.5rem 0 0 0;
    text-align: center;
    color: var(--text-color);
    font-size: 0.9rem;
}

.example-container img {
    margin-bottom: 0;
}

.camera-controls {
    position: absolute;
    bottom: 1rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 0 1rem;
    z-index: 20;
}

.camera-controls .btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: 0 4px 12px rgba(1, 152, 97, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: auto;
    margin: 0;
}

.camera-controls .btn:hover {
    background: #01c77d;
    transform: translateY(-2px);
}

#confirmationSection {
    width: 100%;
    padding: 1rem;
    background: var(--element-bg);
    border-radius: 16px;
    box-shadow: 0 4px 12px var(--shadow-color);
    margin-top: 1rem;
}

#confirmationSection .btn {
    margin: 0.5rem 0;
}

.camera-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.9);
    padding: 1rem 2rem;
    border-radius: 25px;
    box-shadow: 0 4px 12px var(--shadow-color);
    z-index: 10;
}

.camera-error {
    padding: 2rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
}

.camera-error p {
    margin-bottom: 1rem;
    color: #ff3b30;
}

video, .preview-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    object-fit: cover;
}

#cameraFeed {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: 0 4px 12px rgba(1, 152, 97, 0.2);
    width: 100%;
    margin-bottom: 0.5rem;
}

.btn:hover {
    background: #01c77d;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(1, 152, 97, 0.3);
}

.btn:active {
    transform: translateY(0);
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(14, 20, 26, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

#fullscreenImage {
    width: 100%;
    height: auto;
    margin: 1rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

#closeOverlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
}

#closeOverlay:hover {
    transform: rotate(90deg);
    background: #01c77d;
}

/* Upload Progress Indicator */
.upload-progress-container {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    width: 300px;
    text-align: center;
}

.progress-ring {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
}

.progress-ring-circle {
    transform-origin: center;
    transform: rotate(-90deg);
}

.progress-ring-circle-bg {
    fill: none;
    stroke: #f0f0f0;
    stroke-width: 8;
}

.progress-ring-circle-progress {
    fill: none;
    stroke: #007AFF;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.3s ease;
}

.upload-status {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #1d1d1f;
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: 500;
}

.upload-percentage {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #86868b;
    font-size: 14px;
    margin-top: 5px;
}

/* High-resolution mobile devices in portrait (Galaxy S9+ and similar) */
@media screen and (min-width: 1440px) and (max-width: 1440px) and (min-height: 2960px) and (max-height: 2960px) and (orientation: portrait),
       screen and (max-width: 450px) and (min-height: 800px) and (orientation: portrait) {
    .container {
        padding: 1rem 0 0 0;
        margin: 0;
        max-width: 100%;
        background: var(--container-bg);
    }

    h1 {
        font-size: 1.6rem;
        margin: 0.5rem 1rem 1rem 1rem;
        padding: 0.5rem;
        width: calc(100% - 2rem);
        background: linear-gradient(135deg, var(--primary-color), #01c77d);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        display: block;
    }

    #captureSection {
        background: var(--element-bg);
        width: 100%;
        margin: 0;
        padding: 0;
        border-radius: 0;
    }

    .capture-container {
        padding: 0;
        margin: 0;
        width: 100%;
        gap: 0;
    }

    .camera-container, .example-container {
        width: 100%;
        height: 45vh;
        margin: 0;
        border-radius: 0;
        flex: none;
        background: var(--element-bg);
    }

    .camera-container video, 
    .camera-container img,
    .example-container img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

/* Standard mobile portrait */
@media screen and (max-width: 767px) and (orientation: portrait) {
    .container {
        padding: 1rem 0 0 0;
        margin: 0;
        max-width: 100%;
        background: var(--container-bg);
    }

    h1 {
        font-size: 1.6rem;
        margin: 0.5rem 1rem 1rem 1rem;
        padding: 0.5rem;
        width: calc(100% - 2rem);
        background: linear-gradient(135deg, var(--primary-color), #01c77d);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        display: block;
    }

    #captureSection {
        background: var(--element-bg);
        width: 100%;
        margin: 0;
        padding: 0;
        border-radius: 0;
    }

    .capture-container {
        padding: 0;
        margin: 0;
        width: 100%;
        gap: 0;
    }

    .camera-container, .example-container {
        width: 100%;
        height: 45vh;
        margin: 0;
        border-radius: 0;
        flex: none;
        background: var(--element-bg);
    }

    .camera-container video, 
    .camera-container img,
    .example-container img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

/* Landscape orientation */
@media screen and (orientation: landscape) {
    .capture-container {
        flex-direction: row;
        padding: 1rem;
        gap: 1rem;
    }

    .camera-container, .example-container {
        height: 60vh;
        flex: 1;
        border-radius: 16px;
        background: var(--element-bg);
    }
}

/* Tablets and larger screens */
@media (min-width: 768px) and (orientation: portrait) {
    .capture-container {
        padding: 1rem;
        gap: 1rem;
    }

    .camera-container, .example-container {
        border-radius: 16px;
        height: 40vh;
        background: var(--element-bg);
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}