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

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --input-bg: #f1f5f9;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
}

header {
    text-align: center;
    padding: 24px 0;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
}

form {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px 20px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text);
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--card-bg);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.form-group.half {
    flex: 1;
    margin-bottom: 0;
}

.btn-submit {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--primary);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.btn-submit:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    background: #94a3b8;
    cursor: not-allowed;
}

/* Tablet and up */
@media (min-width: 640px) {
    .container {
        padding: 32px 24px;
    }

    header {
        padding: 32px 0;
    }

    header h1 {
        font-size: 1.75rem;
    }

    form {
        padding: 32px;
    }

    .form-group {
        margin-bottom: 24px;
    }

    .form-row {
        gap: 16px;
        margin-bottom: 24px;
    }
}

/* Desktop */
@media (min-width: 768px) {
    .container {
        padding: 48px 24px;
    }

    header h1 {
        font-size: 2rem;
    }

    form {
        padding: 40px;
        border-radius: 20px;
    }
}

/* Input type specific styling */
input[type="date"],
input[type="time"] {
    cursor: pointer;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="time"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* Time input styling */
#dispatchTime,
#registrationTime {
    cursor: pointer;
}