/* style.css – Professional White & Sky-Blue Theme */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #0091ea;        /* Deep Sky Blue */
    --primary-light: #e1f5fe;  /* Very Light Sky Blue */
    --primary-dark: #01579b;   /* Navy / Dark Sky Blue */
    --accent-blue: #00b0ff;    /* Vibrant Sky Blue */
    --bg-gradient: linear-gradient(135deg, #e0f7fa 0%, #e1f5fe 50%, #f0f4f8 100%);
    --card-bg: #ffffff;
    --text-dark: #263238;
    --text-muted: #546e7a;
    --border-color: #b3e5fc;
}

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

body {
    background: var(--bg-gradient);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 25px 15px;
}

.container {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 35px 40px;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 12px 35px rgba(0, 145, 234, 0.15);
    border: 1px solid var(--border-color);
    animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.inst-header {
    text-align: center;
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 18px;
    margin-bottom: 22px;
}

.inst-title {
    color: var(--primary-dark);
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.workshop-title {
    background: linear-gradient(45deg, #01579b, #00b0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 6px;
    margin-bottom: 8px;
}

.venue-info {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
    background: var(--primary-light);
    padding: 10px 14px;
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    margin-top: 10px;
}

label {
    display: block;
    margin-top: 16px;
    font-weight: 500;
    font-size: 0.92rem;
    color: var(--text-dark);
}

input, select {
    width: 100%;
    padding: 11px 14px;
    margin-top: 6px;
    border: 1.5px solid #b0bec5;
    border-radius: 8px;
    background: #fafafa;
    color: var(--text-dark);
    font-size: 0.95rem;
    transition: all 0.25s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 3.5px rgba(0, 145, 234, 0.18);
}

.audience-info-box {
    margin-top: 10px;
    padding: 10px 14px;
    background: #e1f5fe;
    border-radius: 8px;
    color: var(--primary-dark);
    font-size: 0.88rem;
}

.submit-btn {
    margin-top: 25px;
    width: 100%;
    padding: 14px;
    background: linear-gradient(45deg, #0091ea, #00b0ff);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(0, 145, 234, 0.3);
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0, 145, 234, 0.4);
    background: linear-gradient(45deg, #00b0ff, #0091ea);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 520px) {
    .container {
        padding: 22px 18px;
    }
    .inst-title { font-size: 1.25rem; }
    .workshop-title { font-size: 1.05rem; }
}