@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@300;400;500;600;700&display=swap');

:root {
    --bg: #F6F7F6;
    --ink: #101C14;
    --ink-soft: #3D4842;
    --green: #2A5E44;
    --green-dark: #1e4532;
    --mint: #D6E5DD;
    --border: #E2E8E4;

    /* 3D specific glassmorphism using the main project palette */
    --ui-bg: rgba(255, 255, 255, 0.65);
    --ui-border: var(--border);
    --ui-shadow: 0 10px 30px -10px rgba(16, 28, 20, 0.15);
}

.hidden {
    display: none !important;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Heebo', sans-serif;
}

body {
    background-color: #14291e; /* Slightly darker, balanced green */
    /* Keep the 3D background dark for contrast */
    color: var(--ink);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#ui-container {
    position: absolute;
    top: 2rem;
    right: 2rem;
    transform: none;
    z-index: 10;
    background: var(--ui-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--ui-border);
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--ui-shadow);
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
    max-width: 400px;
}

#ui-container.hidden {
    opacity: 0;
    transform: translate(20px, -50%);
    pointer-events: none;
}

h1 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--ink);
}

p {
    margin-bottom: 2rem;
    color: var(--ink-soft);
    font-size: 1.1rem;
}

input[type="file"] {
    display: none;
}

.custom-file-upload {
    display: inline-block;
    padding: 16px 32px;
    cursor: pointer;
    background: var(--green);
    color: white;
    border-radius: 8px;
    /* Uniform with main project primary buttons */
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(42, 94, 68, 0.2);
}

.custom-file-upload:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 94, 68, 0.3);
}

.custom-file-upload:active {
    transform: translateY(0);
}

#loading {
    margin-top: 1.5rem;
    font-size: 1rem;
    color: var(--green);
    font-weight: 500;
    animation: pulse 1.5s infinite;
}

#loading.hidden {
    display: none;
}

@keyframes pulse {
    0% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.5;
    }
}

#control-panel {
    position: absolute !important;
    bottom: 2rem !important;
    right: 2rem !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    z-index: 100 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
    background: var(--ui-bg) !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid var(--ui-border) !important;
    padding: 1.5rem 0.75rem !important;
    border-radius: 16px !important;
    box-shadow: var(--ui-shadow) !important;
    transition: opacity 0.5s ease-in-out;
}

#control-panel.hidden {
    display: none;
}

.control-btn {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--border);
    color: var(--ink-soft);
    padding: 10px 20px;
    border-radius: 9999px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.control-btn:hover {
    background: var(--mint);
    color: var(--green);
    border-color: var(--green);
    transform: translateY(-1px);
}

.control-btn:active {
    transform: translateY(1px);
}

#controls-legend {
    position: absolute;
    top: 2rem;
    right: 2rem;
    z-index: 10;
    background: var(--ui-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--ui-border);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--ui-shadow);
    pointer-events: none;
}

#controls-legend h3 {
    margin-bottom: 1.25rem;
    font-size: 1rem;
    color: var(--green);
    text-align: center;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#controls-legend ul {
    list-style: none;
}

#controls-legend li {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2.5rem;
    color: var(--ink-soft);
}

#controls-legend li:last-child {
    margin-bottom: 0;
}

#controls-legend span {
    font-weight: 600;
    color: var(--ink);
    background: var(--mint);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
}

#camera-data {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 100;
    background: var(--ui-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--ui-border);
    padding: 0.5rem 0.8rem;
    border-radius: 8px;
    color: var(--ink-soft);
    font-size: 0.72rem;
    font-family: monospace;
    pointer-events: auto; /* Changed from none to allow clicking copy btn */
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    line-height: 1.2;
}

#btn-copy-cam:hover {
    opacity: 1 !important;
    transform: scale(1.1);
}

#property-panel {
    position: absolute;
    top: 8.5rem; /* Pushed down further to clear the expanded camera data panel */
    left: 1rem;
    z-index: 10;
    background: var(--ui-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--ui-border);
    border-radius: 12px;
    padding: 1.25rem;
    width: 280px;
    box-shadow: var(--ui-shadow);
    max-height: calc(100vh - 10rem);
    overflow-y: auto;
    overflow-x: hidden; /* Prevent horizontal scroll */
    scrollbar-width: thin;
    scrollbar-color: var(--green) transparent;
    transition: opacity 0.3s ease;
}

#property-panel::-webkit-scrollbar {
    width: 6px;
}

#property-panel::-webkit-scrollbar-track {
    background: transparent;
}

#property-panel::-webkit-scrollbar-thumb {
    background-color: var(--green);
    border-radius: 20px;
}

#property-panel.hidden {
    opacity: 0;
    pointer-events: none;
}

#status-message {
    position: absolute;
    bottom: 2rem;
    left: 310px;
    right: 220px;
    z-index: 100;
    background: var(--ui-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--ui-border);
    padding: 0.4rem 1rem;
    border-radius: 12px;
    box-shadow: var(--ui-shadow);
    color: var(--green);
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: opacity 0.5s ease;
}

#status-text {
    flex-grow: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#btn-toggle-history {
    background: var(--mint);
    border: 1px solid var(--border);
    color: var(--green);
    border-radius: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.7rem;
    margin-left: 10px;
    transition: all 0.2s;
}

#btn-toggle-history:hover {
    background: var(--green);
    color: white;
}

#status-history {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 0;
    right: 0;
    background: var(--ui-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--ui-border);
    border-radius: 12px;
    box-shadow: var(--ui-shadow);
    max-height: 200px;
    overflow-y: auto;
    z-index: 101;
    pointer-events: auto;
}

#history-list {
    display: flex;
    flex-direction: column;
}

#status-message.hidden, #status-history.hidden {
    display: none !important;
}

#btn-close-props {
    background: none;
    border: none;
    color: var(--ink-soft);
    font-size: 1.5rem;
    line-height: 1;
    padding: 0;
}

#btn-close-props:hover {
    color: var(--ink);
}