/* Premium IQ Tester Styles */
:root {
    --iq-bg-gradient: linear-gradient(135deg, #1f1c2c, #928DAB);
    --iq-card-bg: rgba(255, 255, 255, 0.1);
    --iq-card-border: rgba(255, 255, 255, 0.2);
    --iq-text-color: #ffffff;
    --iq-text-muted: #e0e0e0;
    --iq-accent: #00d2ff;
    --iq-accent-hover: #3a7bd5;
    --iq-success: #00b09b;
    --iq-danger: #ff416c;
}

.iq-tester-container {
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--iq-bg-gradient);
    color: var(--iq-text-color);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    min-height: 500px;
    box-sizing: border-box;
}

.iq-tester-container * {
    box-sizing: border-box;
}

/* Glassmorphism Card */
.iq-glass-card {
    background: var(--iq-card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--iq-card-border);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.iq-glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Header / Stats */
.iq-dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--iq-card-border);
}

.iq-stat-box {
    text-align: center;
}

.iq-stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--iq-accent);
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.5);
}

.iq-stat-label {
    font-size: 0.9rem;
    color: var(--iq-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Task Grid */
.iq-task-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 900px) {
    .iq-task-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .iq-task-grid {
        grid-template-columns: 1fr;
    }
}

.iq-task-item {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.iq-task-item h3 {
    margin: 0 0 10px 0;
    font-size: 1.2rem;
}

.iq-difficulty-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.difficulty-1 { background: rgba(0, 176, 155, 0.2); color: #00b09b; }
.difficulty-2 { background: rgba(255, 167, 0, 0.2); color: #ffa700; }
.difficulty-3 { background: rgba(255, 65, 108, 0.2); color: #ff416c; }

/* Active Task View */
.iq-active-task {
    animation: fadeIn 0.5s ease forwards;
}

.iq-task-timer {
    font-size: 1.5rem;
    font-weight: bold;
    text-align: right;
    color: var(--iq-accent);
    margin-bottom: 20px;
}

.iq-task-content {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.iq-answer-input {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--iq-card-border);
    border-radius: 8px;
    color: white;
    outline: none;
    transition: border-color 0.3s;
    margin-bottom: 20px;
}

.iq-answer-input:focus {
    border-color: var(--iq-accent);
}

.iq-btn {
    background: linear-gradient(90deg, var(--iq-accent), var(--iq-accent-hover));
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.iq-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 210, 255, 0.4);
}

.iq-btn-secondary {
    background: rgba(255,255,255,0.1);
}

.iq-btn-secondary:hover {
    background: rgba(255,255,255,0.2);
    box-shadow: none;
}

.iq-actions {
    display: flex;
    gap: 15px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Loading state */
.iq-loading {
    text-align: center;
    font-size: 1.2rem;
    padding: 50px 0;
    color: var(--iq-accent);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* Results Notice */
.iq-result-notice {
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: bold;
    font-size: 1.2rem;
    animation: fadeIn 0.5s ease;
}

.iq-result-success {
    background: rgba(0, 176, 155, 0.2);
    border: 1px solid var(--iq-success);
    color: var(--iq-success);
}

.iq-result-error {
    background: rgba(255, 65, 108, 0.2);
    border: 1px solid var(--iq-danger);
    color: var(--iq-danger);
}

/* Solved / Failed Badges */
.iq-task-solved {
    opacity: 0.8;
    position: relative;
    overflow: hidden;
}

.iq-task-failed {
    opacity: 0.8;
    position: relative;
    overflow: hidden;
}

.iq-task-solved-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--iq-success);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.iq-task-failed-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--iq-danger);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.iq-task-retry-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: #ffa700;
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}