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

:root {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f3f4f6;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-tertiary: #9ca3af;
    --border-color: #e5e7eb;
    --card-shadow: rgba(123, 45, 139, 0.08);
    --card-shadow-hover: rgba(123, 45, 139, 0.15);
    --purple-light: #f3e8ff;
    --purple-text: #581c87;
    --footer-bg: #f3f4f6;
}

body.dark-mode {
    --bg-primary: #0f0f14;
    --bg-secondary: #1a1a24;
    --bg-tertiary: #252532;
    --text-primary: #e5e5e5;
    --text-secondary: #b0b0b0;
    --text-tertiary: #6b6b7b;
    --border-color: #333345;
    --card-shadow: rgba(0, 0, 0, 0.3);
    --card-shadow-hover: rgba(123, 45, 139, 0.3);
    --purple-light: #2d1b4e;
    --purple-text: #d8b4fe;
    --footer-bg: #1a1a24;
}

body {
    font-family: 'IBM Plex Sans', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

.logo-text {
    font-family: 'Fredoka', sans-serif;
    font-weight: 700;
    font-size: 4rem;
    letter-spacing: -2px;
}

.logo-text span:nth-child(1) { color: #FFD700; }
.logo-text span:nth-child(2) { color: #7B2D8B; }
.logo-text span:nth-child(3) { color: #FFC300; }
.logo-text span:nth-child(4) { color: #9B59B6; }
.logo-text span:nth-child(5) { color: #FFD700; }
.logo-text span:nth-child(6) { color: #7B2D8B; }
.logo-text span:nth-child(7) { color: #FFC300; }

@keyframes pulse-logo {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.logo-animate {
    animation: pulse-logo 3s ease-in-out infinite;
}

@keyframes scanning {
    0% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
    100% { background-position: 0% 0%; }
}

.scan-effect {
    background: linear-gradient(135deg, rgba(123,45,139,0.1) 0%, rgba(255,215,0,0.1) 50%, rgba(123,45,139,0.1) 100%);
    background-size: 200% 200%;
    animation: scanning 2s ease-in-out infinite;
}

@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-cursor {
    0%, 50% { border-color: #7B2D8B; }
    51%, 100% { border-color: transparent; }
}

.moderation-text {
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid #7B2D8B;
    animation: typewriter 1.5s steps(40) forwards, blink-cursor 0.7s infinite;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.3s ease-in-out 3;
}

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

.fade-in-up {
    animation: fadeInUp 0.4s ease-out forwards;
}

.search-bar {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    box-shadow: 0 2px 8px var(--card-shadow), 0 1px 3px rgba(0,0,0,0.06);
    transition: box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.search-bar:hover {
    box-shadow: 0 4px 16px var(--card-shadow-hover), 0 2px 6px rgba(0,0,0,0.08);
}

.search-bar:focus-within {
    box-shadow: 0 4px 16px var(--card-shadow-hover), 0 2px 6px rgba(0,0,0,0.1);
}

.search-bar input {
    background: transparent;
    color: var(--text-primary);
}

.btn-purple {
    background: linear-gradient(135deg, #7B2D8B, #9B59B6);
    color: white;
    transition: all 0.2s ease;
}

.btn-purple:hover {
    background: linear-gradient(135deg, #FFD700, #FFC300);
    color: #7B2D8B;
    transform: translateY(-1px);
}

.card-shadow {
    background: var(--bg-secondary);
    box-shadow: 0 2px 12px var(--card-shadow);
    transition: box-shadow 0.3s ease, background 0.3s ease;
}

.card-shadow:hover {
    box-shadow: 0 4px 20px var(--card-shadow-hover);
}

@keyframes robot-scan {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-3deg); }
    75% { transform: rotate(3deg); }
}

.robot-thinking {
    animation: robot-scan 0.5s ease-in-out infinite;
}

.modal-overlay {
    backdrop-filter: blur(4px);
}

.element-container {
    margin-bottom: 0.5rem;
}

/* Disabled button state */
button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Dark mode toggle */
.dark-mode-toggle {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 100;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--card-shadow);
}

.dark-mode-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 16px var(--card-shadow-hover);
}

/* Dark mode specific overrides */
body.dark-mode .bg-white {
    background: var(--bg-secondary) !important;
}

body.dark-mode .bg-gray-50, body.dark-mode .bg-gray-100 {
    background: var(--bg-tertiary) !important;
}

body.dark-mode .text-gray-600, body.dark-mode .text-gray-700 {
    color: var(--text-secondary) !important;
}

body.dark-mode .text-gray-400, body.dark-mode .text-gray-500 {
    color: var(--text-tertiary) !important;
}

body.dark-mode .text-gray-900, body.dark-mode .text-gray-800 {
    color: var(--text-primary) !important;
}

body.dark-mode .border-gray-200, body.dark-mode .border-gray-300 {
    border-color: var(--border-color) !important;
}

body.dark-mode .text-purple-800, body.dark-mode .text-purple-900 {
    color: var(--purple-text) !important;
}

body.dark-mode .bg-purple-50, body.dark-mode .bg-purple-100 {
    background: var(--purple-light) !important;
}

body.dark-mode .text-green-700 {
    color: #6ee7b7 !important;
}

body.dark-mode .bg-green-50 {
    background: #0a2e1f !important;
}

body.dark-mode .bg-red-50 {
    background: #2e0a0a !important;
}

body.dark-mode .bg-yellow-50 {
    background: #2e2a0a !important;
}

body.dark-mode .bg-blue-50 {
    background: #0a1a2e !important;
}

body.dark-mode footer {
    background: var(--footer-bg) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode select, body.dark-mode textarea, body.dark-mode input[type="text"] {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode .modal-overlay {
    background: rgba(0, 0, 0, 0.7) !important;
}

/* Z-key click flash */
@keyframes z-flash {
    0% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(2); }
}

.z-click-flash {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(123,45,139,0.4), transparent);
    pointer-events: none;
    animation: z-flash 0.3s ease-out forwards;
    z-index: 9999;
}

/* Light element glow animation */
@keyframes glow-pulse {
    0%, 100% { 
        filter: brightness(1);
        transform: scale(1);
    }
    50% { 
        filter: brightness(1.2);
        transform: scale(1.03);
    }
}

.light-button {
    cursor: default;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-shadow: 0 0 5px rgba(255,255,255,0.5);
}

.light-button:hover {
    filter: brightness(1.3) !important;
    transform: scale(1.05) !important;
}