/* NEON TECHY THEME */
:root {
    --primary: #181f2a;
    --secondary: #232b3e;
    --accent: #4fd1c5;
    --neon-blue: #00d9ff;
    --neon-pink: #ff4fd1;
    --neon-yellow: #ffe066;
    --neon-green: #00ff9d;
    --neon-border: #4fd1c5;
    --background: #10131a;
    --background-light: #f5f7fa;
    --text: #e3e8ee;
    --text-secondary: #7b8794;
    --border: #232b3e;
    --shadow: 0 2px 16px rgba(34,58,95,0.12);
    --darker: #050810;
}

.light-mode {
    --primary: #e3e8ee;
    --secondary: #cbd5e1;
    --accent: #4fd1c5;
    --neon-blue: #0077ff;
    --neon-pink: #ff4fd1;
    --neon-yellow: #ffb700;
    --neon-green: #00b37d;
    --background: #f5f7fa;
    --background-light: #ffffff;
    --text: #223a5f;
    --text-secondary: #7b8794;
    --border: #cbd5e1;
    --shadow: 0 2px 16px rgba(34,58,95,0.08);
}

/* Mode Toggle Button */
.mode-toggle {
    position: absolute;
    top: 24px;
    right: 32px;
    background: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: background 0.3s, color 0.3s, transform 0.2s;
    z-index: 10;
}

.mode-toggle:hover {
    background: var(--primary);
    color: var(--accent);
    transform: scale(1.1);
}

body {
    background: var(--background);
    color: var(--text);
    min-height: 100vh;
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    letter-spacing: 0.03em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(13, 18, 31, 0.95);
    border-radius: 30px;
    box-shadow: 0 0 60px var(--neon-blue), 0 0 120px var(--neon-pink);
    overflow: hidden;
    border: 2px solid var(--neon-blue);
    position: relative;
}

header {
    background: var(--secondary);
    color: var(--text);
    padding: 2rem 2.5rem 1.5rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--accent);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

header > div:last-child {
    display: flex;
    flex-direction: row;
    gap: 16px;
    align-items: center;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 18px;
    z-index: 2;
}

.logo-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 20px var(--neon-blue));
}

.logo-icon.small {
    width: 30px;
    height: 30px;
    margin: 0 auto;
}

.logo-text {
    font-size: 2.7rem;
    font-weight: 900;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 16px var(--neon-blue);
    letter-spacing: 0.15em;
}

.tagline {
    font-size: 1.1rem;
    color: var(--neon-yellow);
    font-weight: 500;
    text-shadow: 0 0 10px var(--neon-yellow);
}

.btn-help {
    background: transparent;
    border: none;
    color: var(--accent);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s, transform 0.2s;
}

.btn-help:hover {
    color: var(--primary);
    transform: scale(1.2);
}

.main-content {
    padding: 2.5rem;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 2rem;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
    color: #181f2a;
    font-size: 1.1rem;
    font-weight: 700;
    border: 2px solid var(--neon-blue);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 0 12px var(--neon-blue);
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--neon-yellow), transparent);
    transition: 0.5s;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-blue));
    color: var(--neon-yellow);
    border-color: var(--neon-pink);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 0 24px var(--neon-pink);
}

.btn:active {
    transform: translateY(0) scale(1);
}

.btn-large {
    padding: 1.3rem 2.5rem;
    font-size: 1.3rem;
}

.btn-record {
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
    color: #181f2a;
    border: 2px solid var(--neon-pink);
    box-shadow: 0 0 16px var(--neon-blue);
}

.btn-record.recording {
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-blue));
    color: var(--neon-yellow);
    animation: pulse 1.5s infinite;
    box-shadow: 0 0 24px var(--neon-pink);
}

.btn-clear {
    background: linear-gradient(90deg, #ff6b6b, #ff0066);
    color: #fff;
    border: 2px solid #ff6b6b;
    box-shadow: 0 0 12px #ff6b6b;
}

.btn-copy {
    background: linear-gradient(90deg, var(--neon-yellow), #00b37d);
    color: #181f2a;
    border: 2px solid #00b37d;
    box-shadow: 0 0 12px var(--neon-yellow);
}

.btn-download {
    background: linear-gradient(90deg, #a855f7, #6366f1);
    color: #fff;
    border: 2px solid #a855f7;
    box-shadow: 0 0 12px #a855f7;
}

.btn-play {
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
    color: #181f2a;
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 12px var(--neon-blue);
}

.btn-play:disabled {
    background: linear-gradient(90deg, #7b8794, #5a6b5e);
    color: #fff;
    border: 2px solid #7b8794;
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.7;
}

.language-select {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--neon-blue);
    font-size: 1.1rem;
    background: rgba(28, 36, 56, 0.95);
    color: var(--text);
    cursor: pointer;
    outline: none;
    transition: all 0.3s;
    box-shadow: 0 0 10px var(--neon-blue);
    margin-right: 10px;
}

.language-select:focus {
    border-color: var(--neon-pink);
    box-shadow: 0 0 0 3px var(--neon-pink);
}

.output-container {
    background: rgba(19, 26, 42, 0.95);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 30px;
    box-shadow: inset 0 0 30px var(--neon-blue);
    border: 2px solid var(--neon-pink);
    position: relative;
    overflow: hidden;
}

.output-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, var(--neon-blue) 0%, transparent 60%),
                radial-gradient(circle at 80% 20%, var(--neon-pink) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0.15;
}

.output-text {
    min-height: 250px;
    max-height: 400px;
    overflow-y: auto;
    padding: 1.5rem;
    background: rgba(13, 18, 31, 0.98);
    border-radius: 14px;
    border: 2px solid var(--neon-green);
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text);
    box-shadow: inset 0 0 20px var(--neon-green);
    backdrop-filter: blur(10px);
    transition: border-color 0.3s;
}

.output-text:focus {
    outline: 2px solid var(--neon-blue);
    box-shadow: 0 0 0 4px var(--neon-blue);
    border-color: var(--neon-blue);
}

.output-text:empty:before {
    content: "Your transcribed text will appear here...";
    color: var(--text-secondary);
    font-style: italic;
}

.status {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
    color: var(--neon-yellow);
    font-size: 1rem;
    text-shadow: 0 0 10px var(--neon-yellow);
}

.status-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue);
}

.status-dot.recording {
    background-color: var(--neon-pink);
    box-shadow: 0 0 20px var(--neon-pink);
    animation: blink 1s infinite;
}

.status-dot.loading {
    background-color: var(--neon-yellow);
    box-shadow: 0 0 20px var(--neon-yellow);
    animation: pulse 1.5s infinite;
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.3; }
    100% { opacity: 1; }
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.features {
    background: rgba(19, 26, 42, 0.98);
    padding: 2.5rem;
    border-radius: 20px;
    border: 2px solid var(--neon-blue);
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 0 30px var(--neon-blue);
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 0% 0%, var(--neon-green) 0%, transparent 60%),
                radial-gradient(circle at 100% 100%, var(--neon-pink) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0.12;
}

.features h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 16px var(--neon-blue);
    letter-spacing: 0.08em;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 2rem;
}

.feature {
    background: var(--primary);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 0 12px var(--neon-blue);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid var(--neon-blue);
    backdrop-filter: blur(4px);
}

.feature:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--neon-pink);
    box-shadow: 0 0 24px var(--neon-pink);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px var(--neon-blue));
}

.feature h3 {
    margin-bottom: 0.7rem;
    color: var(--neon-yellow);
    font-size: 1.3rem;
    text-shadow: 0 0 10px var(--neon-yellow);
}

.feature p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

footer {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(90deg, var(--neon-blue) 0%, var(--neon-pink) 100%);
    color: var(--neon-yellow);
    font-size: 1.1rem;
    border-top: 2px solid var(--neon-pink);
    box-shadow: 0 0 30px var(--neon-pink);
    letter-spacing: 0.05em;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

footer p {
    margin: 0.5rem 0 0 0;
    font-size: 1.1rem;
    color: var(--neon-yellow);
    text-shadow: 0 0 10px var(--neon-yellow);
}

footer .developer-credit {
    font-size: 1rem;
    color: var(--neon-blue);
    margin-top: 0.5rem;
    text-shadow: 0 0 10px var(--neon-blue);
}

footer .developer-credit a {
    color: inherit;
    text-decoration: underline;
}

/* Visualization */
.visualization {
    height: 100px;
    margin-bottom: 25px;
    background: var(--primary);
    border-radius: 16px;
    overflow: hidden;
    display: none;
    border: 2px solid var(--neon-border);
}

.visualization.active {
    display: block;
}

#visualizerCanvas {
    width: 100%;
    height: 100%;
}

.shortcut-hint {
    margin-left: 12px;
    font-size: 0.9rem;
    color: var(--neon-yellow);
    text-shadow: 0 0 10px var(--neon-yellow);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

.modal-content {
    background: linear-gradient(135deg, var(--darker), var(--neon-blue));
    margin: 5% auto;
    padding: 2.5rem;
    border-radius: 20px;
    width: 80%;
    max-width: 700px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 0 40px var(--neon-blue);
    border: 2px solid var(--neon-pink);
    position: relative;
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from {opacity: 0; transform: translateY(-50px);}
    to {opacity: 1; transform: translateY(0);}
}

.close {
    color: var(--neon-yellow);
    float: right;
    font-size: 32px;
    font-weight: bold;
    position: absolute;
    top: 18px;
    right: 28px;
    cursor: pointer;
    text-shadow: 0 0 10px var(--neon-yellow);
}

.close:hover,
.close:focus {
    color: var(--neon-pink);
    text-decoration: none;
    text-shadow: 0 0 20px var(--neon-pink);
}

.tutorial-steps {
    margin: 2rem 0;
}

.tutorial-step {
    margin-bottom: 2rem;
    padding: 1.2rem;
    background: linear-gradient(90deg, var(--neon-blue) 0%, var(--neon-pink) 100%);
    border-radius: 14px;
    box-shadow: 0 0 20px var(--neon-blue);
}

.tutorial-step h3 {
    color: var(--neon-yellow);
    margin-bottom: 0.7rem;
    text-shadow: 0 0 10px var(--neon-yellow);
}

.tutorial-step p {
    margin: 0;
    color: var(--text);
}

/* History Modal */
.history-list {
    max-height: 300px;
    overflow-y: auto;
    margin: 1rem 0;
}

.history-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 8px;
    border-left: 4px solid var(--neon-blue);
    cursor: pointer;
    transition: all 0.3s;
}

.history-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.history-text {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text);
}

.history-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.no-history {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    padding: 2rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-green));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 0 20px var(--neon-blue);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 0 40px var(--neon-green);
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .container {
        max-width: 98vw;
        border-radius: 18px;
    }
    .main-content {
        padding: 1.2rem;
    }
    .features {
        padding: 1.2rem;
    }
    .output-container {
        padding: 1.2rem;
    }
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 1.2rem;
    }
    .logo-text {
        font-size: 2rem;
    }
    .logo-icon {
        width: 40px;
        height: 40px;
    }
    .controls {
        flex-direction: column;
        align-items: center;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }
    .language-select {
        width: 100%;
    }
}
/* --- ENHANCEMENT: Improved Mobile & Tablet Responsiveness --- */

/* For Tablets and smaller screens */
@media (max-width: 768px) {
    header {
        padding: 1.5rem;
        flex-wrap: wrap; /* Allows header items to wrap if needed */
        gap: 1rem;
    }
    .logo-text {
        font-size: 2.2rem; /* Slightly smaller logo text */
    }
    .controls {
        /* Keep your flexbox but let smaller buttons wrap naturally */
        justify-content: center;
        gap: 15px;
    }
    .btn {
        width: auto; /* Allow buttons to size to their content */
        flex-grow: 1; /* Let buttons fill available space */
    }
    .btn-large {
        width: 100%; /* Make the main record button full-width */
    }
    .language-select {
        width: 100%;
    }
}

/* For small mobile phones */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    header {
        flex-direction: column; /* Stack logo and buttons */
        align-items: flex-start;
    }
    .header-actions {
        align-self: flex-end; /* Move buttons to the right */
        margin-top: 10px;
    }
    .main-content {
        padding: 1rem;
    }
    .output-text {
        min-height: 150px;
        font-size: 1rem;
    }
    .shortcut-hint {
        display: none; /* Hide hint on smallest screens to save space */
    }
}