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

/* Main CSS variables for a premium look */
:root {
    --nepa-primary: #6366f1;         /* Sleek Indigo */
    --nepa-primary-hover: #4f46e5;   /* Darker Indigo */
    --nepa-primary-glow: rgba(99, 102, 241, 0.25);
    --nepa-success: #10b981;         /* Emerald green */
    --nepa-error: #ef4444;           /* Coral red */
    --nepa-bg-glass: rgba(255, 255, 255, 0.7);
    --nepa-border-glass: rgba(255, 255, 255, 0.4);
    --nepa-text-main: #1e293b;       /* Dark slate */
    --nepa-text-muted: #64748b;      /* Muted slate */
    --nepa-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Base Wrapper styling to isolate the form styles */
.nepa-form-wrapper {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--nepa-text-main);
    max-width: 600px;
    margin: 2rem auto;
    padding: 2.5rem;
    background: var(--nepa-bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--nepa-border-glass);
    border-radius: 24px;
    box-shadow: var(--nepa-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* Subtle background accent blur inside wrapper */
.nepa-form-wrapper::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: var(--nepa-primary);
    filter: blur(80px);
    opacity: 0.15;
    pointer-events: none;
    border-radius: 50%;
}

.nepa-form-wrapper h2.nepa-form-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--nepa-text-main);
    text-align: center;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, var(--nepa-text-main) 30%, var(--nepa-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nepa-form-wrapper p.nepa-form-subtitle {
    font-size: 0.95rem;
    color: var(--nepa-text-muted);
    text-align: center;
    margin-bottom: 2.25rem;
}

/* Form Group Layout */
.nepa-form-group {
    position: relative;
    margin-bottom: 1.75rem;
}

/* Modern Input and Textarea Styling */
.nepa-form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 400;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.6);
    border: 1.5px solid rgba(226, 232, 240, 0.8);
    border-radius: 12px;
    color: var(--nepa-text-main);
    outline: none;
    box-sizing: border-box;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nepa-form-input:hover {
    border-color: rgba(99, 102, 241, 0.4);
}

.nepa-form-input:focus {
    border-color: var(--nepa-primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px var(--nepa-primary-glow);
}

/* Floating Label Animation */
.nepa-form-label {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    padding: 0 0.25rem;
    color: var(--nepa-text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    transition: all 0.2s ease;
    transform-origin: left top;
}

/* Textarea specific spacing */
textarea.nepa-form-input {
    min-height: 120px;
    resize: vertical;
}

textarea.nepa-form-input ~ .nepa-form-label {
    top: 1.25rem;
    transform: translateY(0);
}

/* Floating behavior when input is focused or not empty */
.nepa-form-input:focus ~ .nepa-form-label,
.nepa-form-input:not(:placeholder-shown) ~ .nepa-form-label {
    top: -0.6rem;
    left: 0.85rem;
    transform: scale(0.85) translateY(0);
    color: var(--nepa-primary);
    font-weight: 600;
    background: #ffffff;
    padding: 0 6px;
    border-radius: 4px;
    z-index: 10;
}

/* Styled Select Dropdown overrides */
select.nepa-form-input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2024%2024%27%20fill%3D%27none%27%20stroke%3D%27%2364748b%27%20stroke-width%3D%272%27%20stroke-linecap%3D%27round%27%20stroke-linejoin%3D%27round%27%3E%3Cpolyline%20points%3D%276%209%2012%2015%2018%209%27%3E%3C%2Fpolyline%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 1.25rem center;
    background-size: 1rem;
    cursor: pointer;
    padding-right: 3rem;
}

select.nepa-form-input:focus ~ .nepa-form-label,
select.nepa-form-input:valid ~ .nepa-form-label {
    top: -0.6rem;
    left: 0.85rem;
    transform: scale(0.85) translateY(0);
    color: var(--nepa-primary);
    font-weight: 600;
    background: #ffffff;
    padding: 0 6px;
    border-radius: 4px;
    z-index: 10;
}

/* Checkbox & Radio Buttons Premium Styles */
.nepa-form-group-options {
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: 16px;
    padding: 1.25rem;
    margin-bottom: 1.75rem;
}

.nepa-group-legend {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--nepa-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
    display: block;
}

.nepa-options-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.nepa-option-label {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    color: var(--nepa-text-main);
    cursor: pointer;
    position: relative;
    user-select: none;
}

/* Hide standard check/radio */
.nepa-option-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Custom indicator design */
.nepa-checkbox-indicator,
.nepa-radio-indicator {
    height: 20px;
    width: 20px;
    background-color: rgba(255, 255, 255, 0.8);
    border: 1.5px solid #cbd5e1;
    margin-right: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.nepa-checkbox-indicator {
    border-radius: 6px;
}

.nepa-radio-indicator {
    border-radius: 50%;
}

/* Hover indicator styling */
.nepa-option-label:hover .nepa-checkbox-indicator,
.nepa-option-label:hover .nepa-radio-indicator {
    border-color: var(--nepa-primary);
    box-shadow: 0 0 0 3px var(--nepa-primary-glow);
}

/* Checked styling */
.nepa-option-input:checked ~ .nepa-checkbox-indicator {
    background-color: var(--nepa-primary);
    border-color: var(--nepa-primary);
}

.nepa-option-input:checked ~ .nepa-radio-indicator {
    border-color: var(--nepa-primary);
}

/* Indicator marks (check/dot) */
.nepa-checkbox-indicator::after {
    content: "";
    width: 5px;
    height: 10px;
    border: solid #ffffff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: transform 0.15s cubic-bezier(0.12, 0.4, 0.29, 1.46);
    margin-bottom: 2px;
}

.nepa-radio-indicator::after {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--nepa-primary);
    transform: scale(0);
    transition: transform 0.15s cubic-bezier(0.12, 0.4, 0.29, 1.46);
}

.nepa-option-input:checked ~ .nepa-checkbox-indicator::after {
    transform: rotate(45deg) scale(1);
}

.nepa-option-input:checked ~ .nepa-radio-indicator::after {
    transform: scale(1);
}

/* Validation styling */
.nepa-form-input.nepa-invalid,
.nepa-form-group-options.nepa-invalid {
    border-color: var(--nepa-error);
}

.nepa-form-input.nepa-invalid:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

.nepa-form-input.nepa-invalid ~ .nepa-form-label {
    color: var(--nepa-error);
}

.nepa-error-message {
    color: var(--nepa-error);
    font-size: 0.8rem;
    margin-top: 0.35rem;
    padding-left: 0.5rem;
    display: none;
    font-weight: 500;
}

.nepa-form-input.nepa-invalid ~ .nepa-error-message,
.nepa-form-group-options.nepa-invalid .nepa-error-message {
    display: block;
}

/* Beautiful Premium Submit Button */
.nepa-submit-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--nepa-primary) 0%, #4f46e5 100%);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.2), 0 2px 4px -1px rgba(99, 102, 241, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.nepa-submit-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 0;
    background: rgba(255, 255, 255, 0.15);
    opacity: 0;
    transform: translate(-50%, -50%) rotate(45deg);
    transition: all 0.4s ease;
}

.nepa-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3), 0 4px 6px -2px rgba(99, 102, 241, 0.15);
}

.nepa-submit-btn:hover::after {
    height: 300%;
    opacity: 1;
}

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

.nepa-submit-btn:disabled {
    background: var(--nepa-text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Spinner Loader */
.nepa-spinner {
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: nepa-spin 0.8s linear infinite;
    display: none;
}

@keyframes nepa-spin {
    to { transform: rotate(360deg); }
}

/* Success Checkmark Animation container */
.nepa-success-container {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem 0;
    animation: nepa-fade-in 0.4s ease forwards;
}

.nepa-checkmark {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: block;
    stroke-width: 3;
    stroke: #fff;
    stroke-miterlimit: 10;
    margin: 10% auto;
    box-shadow: inset 0px 0px 0px var(--nepa-success);
    animation: nepa-fill .4s ease-in-out .4s forwards, nepa-scale .3s ease-in-out .9s both;
}

.nepa-checkmark-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: var(--nepa-success);
    stroke-miterlimit: 10;
    box-shadow: inset 0px 0px 0px var(--nepa-success);
    animation: nepa-fill .4s ease-in-out .4s forwards, nepa-scale .3s ease-in-out .9s both;
}

.nepa-checkmark-check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: nepa-stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes nepa-stroke {
    100% { stroke-dashoffset: 0; }
}

@keyframes nepa-scale {
    0%, 100% { transform: none; }
    50% { transform: scale3d(1.1, 1.1, 1); }
}

@keyframes nepa-fill {
    100% { box-shadow: inset 0px 0px 0px 40px var(--nepa-success); }
}

.nepa-success-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 1.5rem 0 0.5rem 0;
    color: var(--nepa-text-main);
}

.nepa-success-desc {
    color: var(--nepa-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.nepa-feedback-general {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    display: none;
    animation: nepa-fade-in 0.3s ease;
}

.nepa-feedback-general.nepa-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--nepa-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
    display: block;
}

@keyframes nepa-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   Accessibility & Motion Preferences
   ============================================= */

@media (prefers-reduced-motion: reduce) {
    .nepa-form-wrapper,
    .nepa-form-input,
    .nepa-submit-btn,
    .nepa-submit-btn::after,
    .nepa-spinner,
    .nepa-success-container,
    .nepa-checkmark,
    .nepa-checkmark-circle,
    .nepa-checkmark-check,
    .nepa-feedback-general,
    .nepa-checkbox-indicator::after,
    .nepa-radio-indicator::after,
    .nepa-checkbox-indicator,
    .nepa-radio-indicator {
        transition: none !important;
        animation: none !important;
    }
    
    .nepa-checkmark-check {
        stroke-dashoffset: 0;
    }
}

/* Keyboard focus visibility */
.nepa-form-input:focus-visible {
    outline: 2px solid var(--nepa-primary);
    outline-offset: 2px;
}

.nepa-submit-btn:focus-visible {
    outline: 2px solid var(--nepa-primary);
    outline-offset: 2px;
}

.nepa-option-input:focus-visible ~ .nepa-checkbox-indicator,
.nepa-option-input:focus-visible ~ .nepa-radio-indicator {
    outline: 2px solid var(--nepa-primary);
    outline-offset: 2px;
}

/* High contrast mode */
@media (forced-colors: active) {
    .nepa-form-wrapper {
        border: 2px solid currentColor;
    }
    .nepa-submit-btn {
        border: 2px solid currentColor;
    }
    .nepa-checkbox-indicator,
    .nepa-radio-indicator {
        border: 2px solid currentColor;
    }
}