/* Hacker / Cybersecurity Theme */
:root {
    --bg-dark: #050a0e;
    --bg-panel: #0a1118;

    --neon-green: #00ff41;
    --dark-green: #008f11;
    --cyber-blue: #0ff;

    --text-primary: #e0e0e0;
    --text-muted: #6b8796;

    --border-color: #1a2f3d;

    --alert-red: #ff003c;
    --alert-yellow: #fcee0a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
    font-family: 'Fira Code', monospace;
    /* Default to monospace for cyber feel */
}

/* Background Grid */
.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 255, 65, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 65, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
}

.cyber-grid::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent, var(--bg-dark) 80%);
}

/* Back Link */
.back-home-link {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    color: var(--neon-green);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 1px solid var(--neon-green);
    background: rgba(0, 255, 65, 0.05);
    transition: all 0.3s;
    z-index: 100;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.back-home-link:hover {
    background: rgba(0, 255, 65, 0.2);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

/* Layout */
.layout-wrapper {
    width: 100%;
    max-width: 800px;
    padding: 4rem 1rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Header & Glitch Text */
.app-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.glitch-wrapper {
    position: relative;
}

.glitch {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 red;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -1px 0 blue;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% {
        clip: rect(61px, 9999px, 52px, 0);
    }

    20% {
        clip: rect(33px, 9999px, 14px, 0);
    }

    40% {
        clip: rect(15px, 9999px, 89px, 0);
    }

    60% {
        clip: rect(68px, 9999px, 45px, 0);
    }

    80% {
        clip: rect(98px, 9999px, 92px, 0);
    }

    100% {
        clip: rect(21px, 9999px, 63px, 0);
    }
}

@keyframes glitch-anim2 {
    0% {
        clip: rect(29px, 9999px, 83px, 0);
    }

    20% {
        clip: rect(65px, 9999px, 41px, 0);
    }

    40% {
        clip: rect(8px, 9999px, 98px, 0);
    }

    60% {
        clip: rect(46px, 9999px, 21px, 0);
    }

    80% {
        clip: rect(12px, 9999px, 59px, 0);
    }

    100% {
        clip: rect(81px, 9999px, 34px, 0);
    }
}

.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    background: rgba(0, 255, 65, 0.05);
    font-size: 0.85rem;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.1);
}

/* Main Container */
.generator-container {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(0, 255, 65, 0.02);
    padding: 2.5rem;
    position: relative;
}

.generator-container::before {
    /* Hacker accent top left */
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 20px;
    height: 2px;
    background: var(--neon-green);
}

.generator-container::after {
    /* Hacker accent bottom right */
    content: '';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 20px;
    height: 2px;
    background: var(--cyber-blue);
}

/* Output Section */
.output-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.password-display {
    background: #000;
    border: 1px solid #222;
    padding: 1.5rem;
    min-height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    word-break: break-all;
    font-size: 1.5rem;
    color: var(--neon-green);
    letter-spacing: 2px;
    position: relative;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.8);
}

.password-display .placeholder {
    color: var(--text-muted);
    font-size: 1rem;
    animation: blink 1.5s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

/* Strength Meter */
.strength-meter-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.strength-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.strength-bar-bg {
    height: 6px;
    background: #111;
    border-radius: 3px;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0%;
    background: var(--alert-red);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Strength Colors */
.status-weak {
    color: var(--alert-red);
}

.status-fair {
    color: var(--alert-yellow);
}

.status-good {
    color: var(--cyber-blue);
}

.status-strong {
    color: var(--neon-green);
}

.bg-weak {
    background-color: var(--alert-red);
    box-shadow: 0 0 10px var(--alert-red);
}

.bg-fair {
    background-color: var(--alert-yellow);
    box-shadow: 0 0 10px var(--alert-yellow);
}

.bg-good {
    background-color: var(--cyber-blue);
    box-shadow: 0 0 10px var(--cyber-blue);
}

.bg-strong {
    background-color: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green);
}

/* Buttons */
.cyber-btn {
    font-family: 'Fira Code', monospace;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 1rem;
    font-size: 1rem;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 1px;
}

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

.copy-btn:hover:not(:disabled) {
    border-color: var(--cyber-blue);
    color: var(--cyber-blue);
    background: rgba(0, 255, 255, 0.05);
}

.execute-btn {
    border-color: var(--neon-green);
    color: var(--neon-green);
    background: rgba(0, 255, 65, 0.05);
    font-weight: 700;
    margin-top: 1rem;
}

.execute-btn:hover {
    background: var(--neon-green);
    color: #000;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
}

.execute-btn:active {
    transform: scale(0.98);
}

.divider {
    height: 1px;
    background: var(--border-color);
    margin: 2rem 0;
    position: relative;
}

.divider::after {
    content: '< parameters >';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-panel);
    padding: 0 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Controls Section */
.controls-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.section-title {
    font-size: 1.1rem;
    color: var(--cyber-blue);
    margin-bottom: 0.5rem;
}

/* Slider */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.label-row {
    display: flex;
    justify-content: space-between;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.val-display {
    color: var(--neon-green);
}

.cyber-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: #111;
    outline: none;
    background-image: linear-gradient(var(--neon-green), var(--neon-green));
    background-size: 15% 100%;
    /* Default for 16/128 */
    background-repeat: no-repeat;
}

.cyber-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 24px;
    background: var(--neon-green);
    cursor: pointer;
    border: none;
    border-radius: 0;
}

/* Checkboxes */
.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 500px) {
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
}

.cyber-checkbox {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 35px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
    user-select: none;
    transition: color 0.2s;
}

.cyber-checkbox:hover {
    color: var(--text-primary);
}

.cyber-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 20px;
    width: 20px;
    background-color: transparent;
    border: 1px solid var(--text-muted);
    transition: all 0.2s;
}

.cyber-checkbox input:checked~.checkmark {
    border-color: var(--neon-green);
    background-color: rgba(0, 255, 65, 0.1);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid var(--neon-green);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.cyber-checkbox input:checked~.checkmark:after {
    display: block;
}

.cyber-checkbox input:checked~.chk-label {
    color: var(--text-primary);
}

/* Error Msg */
.error-msg {
    color: var(--alert-red);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 0, 60, 0.1);
    padding: 0.75rem;
    border-left: 2px solid var(--alert-red);
}

.hidden {
    display: none !important;
}

/* Footer */
.cyber-footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 1rem;
}

.cyber-footer code {
    color: var(--neon-green);
    padding: 0.2rem 0.4rem;
    background: #111;
    border-radius: 4px;
}

.warning-text {
    margin-top: 0.5rem;
    color: var(--alert-yellow);
    font-style: italic;
}

/* Toast Notification */
.cyber-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #000;
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    padding: 1rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1000;
}

.cyber-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}