:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-bg: rgba(99, 102, 241, 0.08);
    --primary-border: rgba(99, 102, 241, 0.2);

    --surface: #ffffff;
    --bg: #f1f5f9;
    --bg-gradient-start: #f1f5f9;
    --bg-gradient-end: #e2e8f0;

    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    --border: #e2e8f0;
    --border-light: #f1f5f9;

    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.04), 0 4px 6px rgba(0,0,0,0.06);

    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px;
    background: linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border);
}
header h1 {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}
nav a {
    margin-right: 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 8px 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    position: relative;
}
nav a:hover {
    color: var(--primary);
    background: var(--primary-bg);
}
nav button {
    background: var(--bg);
    border: 1.5px solid var(--border);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    min-height: 40px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
}
nav button:hover {
    border-color: var(--error);
    color: var(--error);
    background: var(--error-bg);
}

/* Sections */
section h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    color: var(--text);
}

/* Poll Grid */
.poll-grid { display: grid; gap: 16px; }

.poll-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}
.poll-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-border);
    transform: translateY(-2px);
}
.poll-card h3 {
    margin-bottom: 8px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text);
}
.poll-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

/* Status badges */
.poll-card .status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.poll-card .status-draft { background: var(--bg); color: var(--text-muted); }
.poll-card .status-open { background: var(--success-bg); color: var(--success); }
.poll-card .status-closed { background: var(--error-bg); color: var(--error); }

/* Poll Actions */
.poll-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
}
.poll-actions button {
    padding: 8px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    min-height: 40px;
    font-size: 13px;
    font-weight: 600;
    background: var(--surface);
    color: var(--text-secondary);
    transition: all var(--transition);
}
.poll-actions button:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}
.poll-actions button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}
.poll-actions button.delete-btn {
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--error);
    background: var(--error-bg);
}
.poll-actions button.delete-btn:hover {
    background: var(--error);
    color: var(--text-inverse);
    border-color: var(--error);
}

/* URL row */
.poll-url-row {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 10px 0;
    padding: 6px 0;
}
.poll-url-prefix {
    font-size: 13px;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    color: var(--text-muted);
    padding: 6px 8px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    white-space: nowrap;
    min-height: 34px;
    display: flex;
    align-items: center;
    user-select: none;
}
.poll-slug-input {
    flex: 1;
    padding: 6px 10px;
    border: 1.5px solid var(--border);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 13px;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    color: var(--text);
    background: var(--bg);
    transition: all var(--transition);
    min-height: 34px;
}
.poll-slug-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
    background: var(--surface);
}
.poll-slug-input::placeholder {
    color: var(--text-muted);
    font-style: italic;
}
.poll-actions button.delete-btn {
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--error);
    background: var(--error-bg);
}
.poll-actions button.delete-btn:hover {
    background: var(--error);
    color: var(--text-inverse);
    border-color: var(--error);
}

/* Filters */
.filters {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.filters input {
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    min-height: 42px;
    background: var(--surface);
    transition: all var(--transition);
}
.filters input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}
.filters button {
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    min-height: 42px;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
}
#filterBtn {
    background: var(--primary);
    color: var(--text-inverse);
}
#filterBtn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Forms */
#pollForm { max-width: 680px; }
#pollForm > input,
#pollForm > textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    min-height: 48px;
    background: var(--surface);
    transition: all var(--transition);
    color: var(--text);
}
#pollForm > textarea { min-height: 80px; resize: vertical; }
#pollForm > input:focus,
#pollForm > textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}
#pollForm > input::placeholder,
#pollForm > textarea::placeholder {
    color: var(--text-muted);
}
#pollForm button[type="submit"] {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-inverse);
    border: none;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    margin-top: 16px;
    min-height: 50px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    transition: all var(--transition);
    letter-spacing: -0.01em;
}
#pollForm button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* Add Question Button */
#addQuestion {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-bg);
    color: var(--primary);
    border: 1.5px dashed var(--primary-border);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    min-height: 44px;
    transition: all var(--transition);
    margin-top: 12px;
}
#addQuestion:hover {
    background: var(--primary);
    color: var(--text-inverse);
    border-style: solid;
    border-color: var(--primary);
}

/* Question Block */
.question-block {
    margin-bottom: 16px;
    background: var(--bg);
    border-radius: var(--radius-md);
    padding: 16px;
}
.question-block-inner {
    padding: 0;
    border: none;
}
.q-text {
    font-weight: 600;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    font-size: 15px;
    min-height: 46px;
    transition: all var(--transition);
}
.q-text:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}
.q-type {
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    font-size: 14px;
    min-height: 44px;
    cursor: pointer;
    transition: all var(--transition);
}
.q-type:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}
.q-moderation {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 8px 0;
}
.q-moderation input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* Options */
.opt-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    border: 1.5px dashed var(--primary-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    min-height: 40px;
    font-size: 13px;
    font-weight: 600;
    background: var(--primary-bg);
    color: var(--primary);
    transition: all var(--transition);
    margin-top: 8px;
    font-family: inherit;
}
.opt-add-btn:hover {
    background: var(--primary);
    color: var(--text-inverse);
    border-style: solid;
    border-color: var(--primary);
}
.options-list { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border-light); }
.options-inputs { margin-top: 8px; }
.opt-input {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    min-height: 42px;
    margin: 4px 0;
    background: var(--surface);
    transition: all var(--transition);
}
.opt-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

/* Question remove button */
.question-block button[type="button"]:last-child {
    background: var(--error-bg);
    color: var(--error);
    border: 1.5px solid rgba(239, 68, 68, 0.2);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    min-height: 38px;
    margin-top: 8px;
    transition: all var(--transition);
}
.question-block button[type="button"]:last-child:hover {
    background: var(--error);
    color: var(--text-inverse);
    border-color: var(--error);
}

/* Buttons general */
button {
    font-family: inherit;
    min-height: 44px;
    min-width: 44px;
}

/* Focus */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Hidden */
.hidden { display: none; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
.poll-card { animation: fadeIn 0.3s ease-out both; }
.poll-card:nth-child(1) { animation-delay: 0.05s; }
.poll-card:nth-child(2) { animation-delay: 0.1s; }
.poll-card:nth-child(3) { animation-delay: 0.15s; }
.poll-card:nth-child(4) { animation-delay: 0.2s; }
.poll-card:nth-child(5) { animation-delay: 0.25s; }

/* Responsive */
@media (max-width: 768px) {
    body { padding: 16px 12px; }
    header { flex-direction: column; gap: 12px; align-items: flex-start; }
    nav { display: flex; gap: 8px; flex-wrap: wrap; }
    .poll-card { padding: 18px; }
    .filters { flex-direction: column; }
}