@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

/* style.css - Premium Overhaul */
:root {
    --primary-color: #3b82f6; 
    --primary-hover: #60a5fa;
    --accent-blue: #3b82f6; 
    --accent-glow: rgba(59, 130, 246, 0.5);
    /* Safe defaults (Dark Theme) */
    --bg-overlay: rgba(11, 34, 57, 0.95);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.7);
    --radius-xl: 32px;
    --radius-lg: 20px;
    --radius-sm: 12px;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}


[data-theme="light"] {
    --primary-color: #3b82f6;
    --bg-overlay: rgba(241, 245, 249, 0.85);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
    --text-main: #0b2239;
    --text-dim: #475569;
}

[data-theme="dark"] {
    --bg-overlay: rgba(11, 34, 57, 0.92);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}


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

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    padding: 4rem 1rem;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #0b2239; /* Solid fallback */
    background: linear-gradient(var(--bg-overlay), var(--bg-overlay)), 
                url('pdp_university_banner_1773815140484.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    transition: background 0.8s ease, color 0.5s ease;
}


/* Theme separation handled by global variables */


.container {
    max-width: 800px;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 4rem;
    border: 1px solid var(--glass-border);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.top-controls {
    position: fixed;
    top: 2rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
    z-index: 100;
}

.lang-select, .theme-toggle {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    border-radius: 50px;
    padding: 0.7rem 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.theme-toggle {
    width: 48px;
    height: 48px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-select:hover, .theme-toggle:hover {
    transform: scale(1.05);
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.15);
}


/* Removed top bar for transparency */

header {
    margin-bottom: 3rem;
    text-align: center;
}

.logo-container {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.university-logo {
    max-width: 220px; /* Made slightly smaller since it's also in the background */
    height: auto;
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
}


.university-logo:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}


h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 1rem;
    letter-spacing: -2px;
    text-transform: uppercase;
}

header p {
    color: var(--text-dim);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
    letter-spacing: 0.5px;
}


.form-group {
    margin-bottom: 1.8rem;
    display: flex;
    flex-direction: column;
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-group.half {
    flex: 1;
}

label {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: inherit;
}

[data-theme="dark"] label {
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

label .optional {
    font-weight: 400;
    font-size: 0.85rem;
    opacity: 0.7;
}

.description {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-bottom: 0.8rem;
}


input[type="text"],
select,
textarea {
    width: 100%;
    padding: 1.2rem 1.6rem;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}

/* Theme separation handled by global variables */


input[type="text"]:focus,
select:focus,
textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px var(--accent-glow);
    transform: translateY(-2px);
}

input::placeholder,
textarea::placeholder {
    color: rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}


textarea {
    resize: vertical;
    min-height: 90px;
}

/* Custom Radio Cards */
.radio-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.8rem;
    margin-top: 0.5rem;
}

.radio-group.vertical {
    grid-template-columns: 1fr;
    gap: 0.8rem;
}

.radio-card {
    position: relative;
    cursor: pointer;
}

.radio-card input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-card .card-content {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-main);
    transition: var(--transition-smooth);
    text-align: center;
    height: 100%;
}

/* Theme separation handled by global variables */


.radio-card:hover .card-content {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-3px);
}

.radio-card input:checked ~ .card-content {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #ffffff;
    box-shadow: 0 10px 25px var(--accent-glow);
}

.input-with-action {
    position: relative;
    display: flex;
    align-items: flex-end;
}

.voice-btn {
    position: absolute;
    right: 12px;
    bottom: 12px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    z-index: 5;
}

.voice-btn:hover {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: scale(1.1);
}

.voice-btn.listening {
    background: var(--accent-blue);
    color: #fff;
    border-color: var(--accent-blue);
    animation: pulse-red 1.5s infinite;
}

@keyframes pulse-red {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 12px rgba(59, 130, 246, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.input-with-action textarea {
    padding-right: 60px; /* Space for the button */
}
.file-upload-wrapper {
    position: relative;
    width: 100%;
    height: 140px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-color);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}


.file-upload-wrapper:hover,
.file-upload-wrapper.dragover {
    border-color: var(--accent-blue);
    background-color: var(--accent-light);
}

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.file-upload-design {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    pointer-events: none;
}

.file-upload-design svg {
    margin-bottom: 0.8rem;
    color: var(--accent-blue);
    transition: transform 0.3s ease;
}

.file-upload-wrapper:hover .file-upload-design svg {
    transform: translateY(-5px);
}

.file-upload-design p {
    font-size: 0.95rem;
}

.file-upload-design span {
    color: var(--accent-blue);
    font-weight: 600;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 1.4rem;
    background: linear-gradient(135deg, var(--accent-blue), #1d4ed8);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.2rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.8rem;
    margin-top: 3rem;
    box-shadow: 0 15px 35px var(--accent-glow);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 45px var(--accent-glow);
    filter: brightness(1.1);
}


.submit-btn:active {
    transform: translateY(1px);
}

@keyframes shine {
    100% {
        left: 200%;
    }
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

.success-message {
    margin-top: 1.5rem;
    padding: 1.2rem;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    border-radius: var(--radius-sm);
    color: #047857;
    text-align: center;
    font-weight: 600;
    animation: fadeIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 650px) {
    body {
        padding: 1rem;
    }
    .container {
        padding: 2.5rem 1.5rem;
        border-radius: var(--radius-sm);
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .form-group.half {
        width: 100%;
    }
    h1 {
        font-size: 1.8rem;
    }
}