/* SendUrl - Web UI Styles */

:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --success: #10B981;
    --error: #EF4444;
    --bg: #F8FAFC;
    --card-bg: #FFFFFF;
    --text: #1E293B;
    --text-secondary: #64748B;
    --border: #E2E8F0;
    --radius: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 16px;
}

.container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

header {
    text-align: center;
    padding: 24px 0 8px;
}

header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.card-icon {
    font-size: 48px;
    text-align: center;
    margin-bottom: 16px;
}

.card h2 {
    text-align: center;
    font-size: 20px;
    margin-bottom: 8px;
}

.card > p {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Type Selector */
.type-selector {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.type-btn {
    flex: 1;
    padding: 12px 8px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--card-bg);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.type-btn.active {
    border-color: var(--primary);
    background: #EEF2FF;
    color: var(--primary);
}

.type-btn:hover {
    border-color: var(--primary);
}

/* Input Groups */
.input-group {
    margin-bottom: 16px;
}

.input-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.input-group input[type="url"],
.input-group input[type="text"],
.input-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.2s;
    background: var(--bg);
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--primary);
}

textarea {
    resize: vertical;
    font-family: inherit;
}

/* File Drop */
.file-drop {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    background: var(--bg);
}

.file-drop:hover,
.file-drop.drag-over {
    border-color: var(--primary);
    background: #EEF2FF;
}

.file-drop input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-drop p {
    color: var(--text-secondary);
    font-size: 14px;
}

.file-name {
    color: var(--primary) !important;
    font-weight: 600;
    margin-top: 8px;
    word-break: break-all;
}

/* Code Input */
.code-input-wrapper {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.code-digit {
    width: 56px;
    height: 64px;
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    border: 2px solid var(--border);
    border-radius: 12px;
    outline: none;
    background: var(--bg);
    transition: border-color 0.2s;
    color: var(--primary);
}

.code-digit:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Send Button */
.send-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
}

.send-btn:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Result */
.result-icon {
    font-size: 56px;
    text-align: center;
    margin-bottom: 16px;
}

.result-success {
    border-top: 4px solid var(--success);
}

.result-error {
    border-top: 4px solid var(--error);
}

/* Utilities */
.hidden {
    display: none !important;
}

footer {
    text-align: center;
    padding: 16px 0;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Responsive */
@media (max-width: 360px) {
    .code-digit {
        width: 48px;
        height: 56px;
        font-size: 24px;
    }

    .type-btn {
        font-size: 12px;
        padding: 10px 4px;
    }
}

/* Online status indicator */
.online-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 8px 14px;
    border-radius: 20px;
    background: #F1F5F9;
    font-size: 13px;
    color: var(--text-secondary);
    width: fit-content;
}
.online-status.hidden {
    display: none;
}
.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #94a3b8;
}
.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 6px rgba(16,185,129,0.5);
}
.status-dot.pending {
    background: #F59E0B;
    box-shadow: 0 0 6px rgba(245,158,11,0.4);
}
.status-dot.stopped {
    background: var(--error);
}