/* ============================================
   KONI Registration Form — Premium Design
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #4338ca;
    --primary-bg: #eef2ff;
    --primary-glow: rgba(99, 102, 241, 0.25);

    --success: #10b981;
    --success-bg: #ecfdf5;
    --error: #ef4444;
    --error-bg: #fef2f2;
    --error-light: #fee2e2;
    --warning: #f59e0b;

    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;

    --bg: #f1f5f9;
    --card: #ffffff;
    --border: #e2e8f0;
    --border-focus: #a5b4fc;
    --input-bg: #f8fafc;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 40px -12px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 60px -12px rgba(0,0,0,0.15);

    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* --- Animated Background --- */
.page-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 80% 60% at 10% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 90% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 50% 0%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        var(--bg);
}

/* --- Container --- */
.container {
    max-width: 520px;
    margin: 0 auto;
    padding: 40px 20px 32px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* --- Form Card --- */
.form-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 36px 32px 32px;
    width: 100%;
    position: relative;
    overflow: visible;
    animation: cardFadeIn 0.5s ease;
}

.form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    background: linear-gradient(90deg, var(--primary), var(--primary-light), #8b5cf6);
}

@keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Header --- */
.form-header {
    text-align: center;
    margin-bottom: 28px;
}

.header-logo {
    height: 64px;
    width: auto;
    object-fit: contain;
    margin-bottom: 20px;
}

.form-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.header-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* --- Progress Bar --- */
.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 32px;
    padding: 0 4px;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.step-circle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2.5px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    background: var(--card);
    transition: var(--transition-slow);
    position: relative;
    z-index: 1;
}

.progress-step.active .step-circle {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 12px var(--primary-glow);
}

.progress-step.completed .step-circle {
    border-color: var(--success);
    background: var(--success);
    color: #fff;
}

.step-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
    transition: var(--transition);
}

.progress-step.active .step-label {
    color: var(--primary);
    font-weight: 600;
}

.progress-step.completed .step-label {
    color: var(--success);
}

.progress-line {
    flex: 1;
    height: 3px;
    background: var(--border);
    border-radius: 4px;
    margin: 0 6px;
    margin-bottom: 22px;
    position: relative;
    overflow: hidden;
    min-width: 30px;
}

.progress-line-fill {
    position: absolute;
    inset: 0;
    width: 0;
    background: linear-gradient(90deg, var(--success), #34d399);
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* --- Alert --- */
.alert {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 0.85rem;
    line-height: 1.5;
    animation: alertSlide 0.3s ease;
}

.alert-error {
    background: var(--error-bg);
    border: 1px solid var(--error-light);
    color: #991b1b;
}

.alert-error svg {
    color: var(--error);
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid #a7f3d0;
    color: #065f46;
}

.alert-success svg {
    color: var(--success);
    flex-shrink: 0;
    margin-top: 2px;
}

.alert ul {
    margin: 4px 0 0 16px;
    padding: 0;
}

.alert li {
    margin-bottom: 2px;
}

@keyframes alertSlide {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Form Steps --- */
.form-step {
    display: none;
    animation: stepFadeIn 0.35s ease;
}

.form-step.active {
    display: block;
}

@keyframes stepFadeIn {
    from { opacity: 0; transform: translateX(12px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* --- Form Group --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}

.label-hint {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 120px;
    gap: 12px;
}

.form-group-small {
    min-width: 0;
}

/* --- Input Wrapper --- */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    background: var(--input-bg);
    transition: var(--transition);
    overflow: hidden;
}

.input-wrapper:hover {
    border-color: #cbd5e1;
}

.input-wrapper.focused {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.has-error .input-wrapper {
    border-color: var(--error);
    background: var(--error-bg);
}

.has-error .input-wrapper.focused {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* --- Input Icon --- */
.input-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0 0 14px;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: var(--transition);
}

.focused .input-icon {
    color: var(--primary);
}

.has-error .input-icon {
    color: var(--error);
}

.textarea-icon {
    align-self: flex-start;
    padding-top: 12px;
}

/* --- Inputs --- */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text);
    outline: none;
    line-height: 1.5;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

input[readonly] {
    color: var(--text);
    cursor: pointer;
    text-align: left;
}

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

.textarea-wrapper {
    align-items: flex-start;
}

/* --- Prefix / Suffix --- */
.input-prefix {
    display: flex;
    align-items: center;
    padding: 0 0 0 14px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    flex-shrink: 0;
    border-right: 1.5px solid var(--border);
    padding-right: 10px;
    margin-right: 0;
    height: 100%;
    min-height: 46px;
    background: rgba(0,0,0,0.015);
}

.input-suffix {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-right: 14px;
    flex-shrink: 0;
    font-weight: 500;
}

/* --- Select --- */
.select-wrapper select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 40px;
    cursor: pointer;
}

.select-wrapper select option {
    background-color: #ffffff;
    color: var(--text);
    padding: 12px;
    font-size: 0.95rem;
    font-weight: 500;
}

.select-wrapper select option:checked {
    background: linear-gradient(135deg, var(--primary-bg), #e0e7ff) !important;
    color: var(--primary-dark);
    font-weight: 600;
}

.select-wrapper select option:hover {
    background-color: var(--primary-bg);
}

.select-chevron {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition);
}

.focused .select-chevron {
    color: var(--primary);
}

/* --- Gender Selector --- */
.gender-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.gender-option {
    cursor: pointer;
}

.gender-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.gender-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    background: var(--input-bg);
    transition: var(--transition);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.gender-card:hover {
    border-color: #cbd5e1;
    background: #fff;
}

.gender-option input:checked + .gender-card {
    border-color: var(--primary);
    background: var(--primary-bg);
    color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.gender-option input:checked + .gender-card svg {
    color: var(--primary);
}

.has-error .gender-card {
    border-color: var(--error);
}

/* --- Error Message --- */
.error-msg {
    display: block;
    font-size: 0.75rem;
    color: var(--error);
    margin-top: 5px;
    min-height: 0;
    line-height: 1.4;
    font-weight: 500;
}

.error-msg:empty {
    display: none;
}

/* --- Buttons --- */
.step-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    line-height: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 2px 10px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid var(--border);
}

.btn-outline:hover {
    background: var(--bg);
    border-color: #cbd5e1;
    color: var(--text);
}

.btn-submit svg {
    order: -1;
}

/* --- Conditional Field Animation --- */
.conditional-field {
    transition: var(--transition-slow);
}

/* --- Shake Animation --- */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    40%      { transform: translateX(6px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(4px); }
}

.shake {
    animation: shake 0.4s ease;
}

/* --- Footer --- */
.footer-text {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 24px;
}

/* --- Success Page --- */
.success-card {
    text-align: center;
    padding: 48px 32px;
}

.success-animation {
    margin-bottom: 24px;
}

.success-circle {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: var(--success-bg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
    animation: successPop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.circle-path {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    animation: drawCircle 0.8s ease forwards 0.2s;
}

.check-path {
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: drawCheck 0.4s ease forwards 0.8s;
}

@keyframes successPop {
    0%   { transform: scale(0); opacity: 0; }
    60%  { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes drawCircle {
    to { stroke-dashoffset: 0; }
}

@keyframes drawCheck {
    to { stroke-dashoffset: 0; }
}

.success-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.success-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 28px;
}

/* --- Responsive --- */
@media (max-width: 560px) {
    .container {
        padding: 20px 12px 24px;
    }

    .form-card {
        padding: 28px 20px 24px;
        border-radius: var(--radius);
    }

    .form-header h1 {
        font-size: 1.25rem;
    }

    .form-row {
        grid-template-columns: 1fr 100px;
        gap: 8px;
    }

    .step-label {
        font-size: 0.6rem;
    }

    .step-circle {
        width: 30px;
        height: 30px;
        font-size: 0.7rem;
    }

    .progress-line {
        min-width: 20px;
    }

    .btn {
        padding: 11px 18px;
        font-size: 0.825rem;
    }

    .gender-card {
        padding: 12px;
        font-size: 0.8rem;
    }
}

/* --- Custom Searchable Select --- */
.custom-select-wrapper {
    position: relative;
}

.custom-select-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 8px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-height: 220px;
    overflow-y: auto;
    z-index: 50;
    list-style: none;
    display: none;
    padding: 6px;
}

.custom-select-options.show {
    display: block;
    animation: dropdownFade 0.2s ease;
}

.custom-select-options li {
    padding: 10px 14px;
    font-size: 0.9rem;
    color: var(--text);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.custom-select-options li:hover,
.custom-select-options li.active {
    background: var(--primary-bg);
    color: var(--primary-dark);
}

.custom-select-options li.hidden {
    display: none;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}