:root {
    --primary: #fe2c55;
    --primary-hover: #e0244a;
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(255, 255, 255, 0.5);
    --text-main: #1e1e1e;
    --text-muted: #555;
    --shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-gradient: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    --card-bg: rgba(20, 20, 20, 0.75);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-muted: #bbbbbb;
    --shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

body {
    min-height: 100vh;
    background: var(--bg-gradient);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    z-index: 1000;
    font-size: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 30px;
    padding: 40px 25px;
    box-shadow: var(--shadow);
    text-align: center;
}

.header h1 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(to right, #ff0050, #00f2fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 30px;
    font-weight: 600;
}

.input-group {
    position: relative;
    margin-bottom: 10px;
}

.input-group input {
    width: 100%;
    padding: 18px 50px 18px 20px;
    border-radius: 20px;
    border: 2px solid rgba(254, 44, 85, 0.3);
    background: transparent;
    color: var(--text-main);
    font-size: 15px;
    outline: none;
}

.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(254, 44, 85, 0.2);
}

.paste-btn {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary);
    font-size: 20px;
    cursor: pointer;
}

.error-msg {
    color: var(--primary);
    font-size: 13px;
    min-height: 20px;
    margin-bottom: 15px;
}

.btn-primary {
    width: 100%;
    padding: 18px;
    border-radius: 20px;
    border: none;
    background: linear-gradient(45deg, #fe2c55, #ff0050);
    color: white;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 20px rgba(254, 44, 85, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(254, 44, 85, 0.6);
}

/* Loader */
.loader-container { margin-top: 30px; }
.spinner {
    width: 45px; height: 45px;
    border: 4px solid rgba(254, 44, 85, 0.2);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

/* Results */
.result-card { margin-top: 30px; }
.result-card img {
    width: 100%; max-width: 220px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Smart Link Banner */
.ad-container { margin-bottom: 20px; }
.smart-link-btn {
    display: block;
    background: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    color: white;
    text-decoration: none;
    padding: 15px;
    border-radius: 15px;
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 5px 15px rgba(245, 87, 108, 0.4);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Action Buttons */
.action-buttons { display: flex; flex-direction: column; gap: 12px; }
.btn-action {
    border: none; padding: 16px; border-radius: 15px;
    color: white; font-weight: 600; font-size: 15px;
    display: flex; justify-content: center; gap: 10px;
    cursor: pointer; transition: transform 0.2s;
}
.btn-action:active { transform: scale(0.98); }
.btn-hd { background: linear-gradient(to right, #4facfe, #00f2fe); box-shadow: 0 5px 15px rgba(79, 172, 254, 0.3);}
.btn-success { background: linear-gradient(to right, #43e97b, #38f9d7); color: #000; box-shadow: 0 5px 15px rgba(67, 233, 123, 0.3);}
.btn-audio { background: linear-gradient(to right, #fa709a, #fee140); color: #000; box-shadow: 0 5px 15px rgba(250, 112, 154, 0.3);}
.btn-transcript { background: linear-gradient(to right, #30cfd0, #330867); box-shadow: 0 5px 15px rgba(48, 207, 208, 0.3);}

/* Transcript Box */
.transcript-box {
    margin-top: 20px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 15px;
    text-align: left;
    border-left: 4px solid var(--primary);
    animation: slideDown 0.4s ease-out;
}
[data-theme="dark"] .transcript-box { background: rgba(255, 255, 255, 0.05); }
.transcript-box h4 { margin-bottom: 10px; font-size: 14px; color: var(--primary); }
.transcript-box p { font-size: 13px; line-height: 1.6; word-wrap: break-word; }

.hidden { display: none !important; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }