/* CSS RESETS & VARIABLES */
:root {
    --bg-dark: #0f172a;
    --bg-panel: #1e293b;
    --bg-card: #334155;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --dev-color: #8b5cf6;
    --beta-color: #f59e0b;
    --prod-color: #10b981;
    --border: #475569;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-family);
    height: 100vh;
    overflow: hidden;
}

.hidden {
    display: none !important;
}

/* TYPOGRAPHY & ELEMENTS */
h2, h3, h4 {
    font-weight: 600;
}

button {
    cursor: pointer;
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s;
    color: white;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary { background-color: var(--accent); }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-secondary { background-color: var(--border); }
.btn-secondary:hover { background-color: var(--bg-card); }
.btn-danger { background-color: var(--danger); }
.btn-danger:hover { background-color: var(--danger-hover); }

input[type="text"], input[type="password"], textarea {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-main);
    font-family: var(--font-family);
}
input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.badge {
    background-color: var(--bg-card);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

.highlight {
    background-color: var(--bg-dark);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent);
    font-family: monospace;
}

/* LOGIN VIEW */
#login-view {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-box {
    background-color: var(--bg-panel);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    width: 350px;
    text-align: center;
}

.login-box h2 {
    margin-bottom: 20px;
}

.login-box form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.error-msg {
    color: var(--danger);
    font-size: 14px;
    min-height: 20px;
}

/* DASHBOARD LAYOUT */
.layout-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    height: 100vh;
}

/* SIDEBAR */
.sidebar {
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    color: var(--accent);
}

.sidebar-actions {
    padding: 15px;
}

.sidebar-actions button {
    width: 100%;
    background-color: var(--bg-card);
}
.sidebar-actions button:hover {
    background-color: var(--border);
}

.nav-list {
    list-style: none;
    flex-grow: 1;
    overflow-y: auto;
    padding: 10px;
}

.nav-item {
    padding: 12px 15px;
    margin-bottom: 5px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-item:hover {
    background-color: var(--bg-card);
}
.nav-item.active {
    background-color: var(--accent);
    color: white;
}
.nav-item i.drag-handle {
    color: var(--text-muted);
    cursor: grab;
}

.sidebar-footer {
    padding: 15px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
}
.sidebar-footer button {
    flex: 1;
    background-color: transparent;
    border: 1px solid var(--border);
}
.sidebar-footer button:hover {
    background-color: var(--bg-card);
}
#btn-logout:hover {
    background-color: var(--danger);
    border-color: var(--danger);
}

/* CONTENT AREA */
.content-area {
    padding: 30px;
    overflow-y: auto;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.project-title-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.api-instructions {
    background-color: var(--bg-panel);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border: 1px solid var(--border);
}
.api-instructions h4 {
    margin-bottom: 15px;
    color: var(--text-muted);
}
.api-instructions p {
    margin-bottom: 8px;
    font-size: 14px;
}
.curl-box pre {
    background-color: #000;
    padding: 15px;
    border-radius: 6px;
    color: #a5d6ff;
    overflow-x: auto;
    font-family: monospace;
    margin-top: 10px;
}

/* KANBAN BOARD */
.board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: start;
}

.column {
    background-color: var(--bg-panel);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 350px);
}

.column-header {
    padding: 15px;
    font-weight: bold;
    text-align: center;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
}
.dev-header { background-color: rgba(139, 92, 246, 0.2); border-bottom: 2px solid var(--dev-color); color: var(--dev-color); }
.beta-header { background-color: rgba(245, 158, 11, 0.2); border-bottom: 2px solid var(--beta-color); color: var(--beta-color); }
.prod-header { background-color: rgba(16, 185, 129, 0.2); border-bottom: 2px solid var(--prod-color); color: var(--prod-color); }

.updates-list {
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-grow: 1;
}

/* UPDATE TILE */
.update-tile {
    background-color: var(--bg-card);
    border-radius: 6px;
    padding: 15px;
    border-left: 4px solid var(--border);
    position: relative;
}
.update-tile.dev { border-left-color: var(--dev-color); }
.update-tile.beta { border-left-color: var(--beta-color); }
.update-tile.prod { border-left-color: var(--prod-color); }

.tile-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
}
.tile-version { font-weight: bold; }
.tile-date { color: var(--text-muted); font-size: 12px; }

.tile-desc textarea {
    width: 100%;
    background: transparent;
    border: 1px dashed transparent;
    color: var(--text-main);
    resize: vertical;
    min-height: 40px;
    font-size: 13px;
    transition: border 0.2s;
}
.tile-desc textarea:focus, .tile-desc textarea:hover {
    border-color: var(--border);
    background: var(--bg-dark);
}

.tile-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
    gap: 10px;
}

.tile-actions button {
    padding: 4px 8px;
    font-size: 12px;
}

/* SETTINGS FORM */
.form-container {
    background-color: var(--bg-panel);
    padding: 30px;
    border-radius: 8px;
    margin-top: 20px;
    max-width: 600px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}
.form-group small {
    display: block;
    color: var(--text-muted);
    margin-top: 5px;
}

/* MODAL */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.modal-content {
    background-color: var(--bg-panel);
    padding: 30px;
    border-radius: 8px;
    width: 400px;
}
.modal-content h3 {
    margin-bottom: 20px;
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}