/* ============================================
   EMPTY STATES COMPONENT LIBRARY
   Week 3: Professional empty states for all scenarios
   ============================================ */

/* ============================================
   BASE EMPTY STATE STYLING
   ============================================ */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--secondary-bg);
    border-radius: 20px;
    border: 2px dashed rgba(160, 123, 204, 0.3);
    transition: all 0.3s ease;
    max-width: 600px;
    margin: 2rem auto;
}

.empty-state:hover {
    border-color: rgba(160, 123, 204, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(160, 123, 204, 0.1);
}

.empty-state-icon {
    font-size: 4.5rem;
    color: var(--accent-color);
    opacity: 0.6;
    margin-bottom: 1.5rem;
    display: block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.empty-state-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.empty-state-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.empty-state-action {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 1.2rem 2.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(160, 123, 204, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.empty-state-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(160, 123, 204, 0.4);
}

.empty-state-action:active {
    transform: translateY(0);
}

.empty-state-action i {
    font-size: 1.2rem;
}

/* ============================================
   EMPTY STATE VARIANTS
   ============================================ */

/* Dashboard Stats Empty State */
.empty-state-stat {
    padding: 2rem;
    background: var(--secondary-bg);
    border-radius: 16px;
    border: 2px dashed rgba(160, 123, 204, 0.2);
    text-align: center;
}

.empty-state-stat-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    opacity: 0.4;
    margin-bottom: 1rem;
    display: block;
}

.empty-state-stat-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.empty-state-stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    opacity: 0.3;
}

/* Inline Empty State (smaller) */
.empty-state-inline {
    padding: 2rem 1.5rem;
    border-radius: 12px;
    border: 1px dashed rgba(160, 123, 204, 0.3);
    background: var(--secondary-bg);
    text-align: center;
}

.empty-state-inline-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    opacity: 0.5;
    margin-bottom: 1rem;
}

.empty-state-inline-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Grid Empty State */
.empty-state-grid {
    grid-column: 1 / -1;
    padding: 3rem 2rem;
    background: var(--secondary-bg);
    border-radius: 16px;
    border: 2px dashed rgba(160, 123, 204, 0.3);
    text-align: center;
}

/* ============================================
   SPECIFIC EMPTY STATES
   ============================================ */

/* Dashboard - No Applications */
.empty-state-no-applications {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(160, 123, 204, 0.05) 100%);
}

.empty-state-no-applications .empty-state-icon {
    color: #667eea;
}

/* Dashboard - No Schools */
.empty-state-no-schools {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(147, 197, 253, 0.05) 100%);
}

.empty-state-no-schools .empty-state-icon {
    color: #3b82f6;
}

/* Essay Coach - No Essays */
.empty-state-no-essays {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.05) 0%, rgba(251, 207, 232, 0.05) 100%);
}

.empty-state-no-essays .empty-state-icon {
    color: #ec4899;
}

/* Scholarship - No Results */
.empty-state-no-scholarships {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(251, 191, 36, 0.05) 100%);
}

.empty-state-no-scholarships .empty-state-icon {
    color: #f59e0b;
}

/* Timeline - Not Generated */
.empty-state-no-timeline {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(167, 243, 208, 0.05) 100%);
}

.empty-state-no-timeline .empty-state-icon {
    color: #10b981;
}

/* Test Prep - No Tests */
.empty-state-no-tests {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(196, 181, 253, 0.05) 100%);
}

.empty-state-no-tests .empty-state-icon {
    color: #8b5cf6;
}

/* Documents - No Documents */
.empty-state-no-documents {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(252, 165, 165, 0.05) 100%);
}

.empty-state-no-documents .empty-state-icon {
    color: #ef4444;
}

/* ============================================
   EMPTY STATE WITH STEPS
   Show users what to do next
   ============================================ */

.empty-state-with-steps {
    padding: 3rem 2rem;
}

.empty-state-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.empty-state-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--primary-bg);
    border-radius: 12px;
    border: 1px solid rgba(160, 123, 204, 0.1);
    transition: all 0.3s ease;
}

.empty-state-step:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 15px rgba(160, 123, 204, 0.1);
    transform: translateX(5px);
}

.empty-state-step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.empty-state-step-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state-step-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   EMPTY STATE WITH ILLUSTRATION
   ============================================ */

.empty-state-with-image {
    padding: 3rem 2rem;
}

.empty-state-illustration {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin: 0 auto 2rem;
    opacity: 0.8;
}

/* ============================================
   LOADING TO EMPTY STATE TRANSITION
   ============================================ */

.empty-state-transition {
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   DARK MODE ADJUSTMENTS
   ============================================ */

[data-theme="dark"] .empty-state {
    background: rgba(22, 27, 34, 0.6);
    border-color: rgba(187, 134, 252, 0.3);
}

[data-theme="dark"] .empty-state:hover {
    border-color: rgba(187, 134, 252, 0.5);
}

[data-theme="dark"] .empty-state-step {
    background: rgba(33, 38, 45, 0.8);
    border-color: rgba(187, 134, 252, 0.15);
}

[data-theme="dark"] .empty-state-step:hover {
    border-color: var(--accent-color);
}

/* ============================================
   RESPONSIVE EMPTY STATES
   ============================================ */

@media (max-width: 768px) {
    .empty-state {
        padding: 2.5rem 1.5rem;
        border-radius: 16px;
    }

    .empty-state-icon {
        font-size: 3.5rem;
    }

    .empty-state-title {
        font-size: 1.5rem;
    }

    .empty-state-description {
        font-size: 1rem;
    }

    .empty-state-action {
        width: 100%;
        justify-content: center;
        padding: 1.2rem;
    }

    .empty-state-steps {
        gap: 1rem;
    }

    .empty-state-step {
        flex-direction: column;
        text-align: center;
    }

    .empty-state-step-number {
        margin: 0 auto 1rem;
    }
}

@media (max-width: 480px) {
    .empty-state {
        padding: 2rem 1rem;
    }

    .empty-state-icon {
        font-size: 3rem;
    }

    .empty-state-title {
        font-size: 1.3rem;
    }

    .empty-state-description {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.empty-state[role="status"] {
    /* Announce to screen readers */
}

.empty-state-action:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* ============================================
   ANIMATION PREFERENCES
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .empty-state-icon,
    .empty-state,
    .empty-state-step {
        animation: none;
        transition: none;
    }
}