/* ============================================
   ENHANCED FORMS & GLOBAL STYLES
   ============================================ */

/* Root CSS Variables for Better Control */
:root {
    --input-border-color: #e5e7eb;
    --input-border-focus: #73c593;
    --input-shadow-focus: rgba(115, 197, 147, 0.1);
    --error-color: #ef4444;
    --error-shadow: rgba(239, 68, 68, 0.1);
    --success-color: #73c593;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border-radius: 10px;
    --transition-smooth: all 0.3s ease;
}

/* ============================================
   FORM INPUTS - GLOBAL IMPROVEMENTS
   ============================================ */

.form-control,
.form-select,
textarea,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="search"] {
    border: 2px solid var(--input-border-color);
    border-radius: var(--border-radius);
    padding: 12px 16px;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    background-color: #ffffff;
    color: var(--text-primary);
    font-family: inherit;
}

.form-control:focus,
.form-select:focus,
textarea:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="search"]:focus {
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 4px var(--input-shadow-focus);
    outline: none;
    background-color: #ffffff;
}

.form-control::placeholder,
textarea::placeholder {
    color: var(--text-tertiary);
}

.form-control:hover:not(:focus),
textarea:hover:not(:focus) {
    border-color: #d1d5db;
    background-color: #fafafa;
}

/* ============================================
   FORM LABELS - IMPROVED STYLING
   ============================================ */

.form-label {
    display: block;
    color: #3e3d6e;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 10px;
    letter-spacing: 0.3px;
    line-height: 1.4;
}

.form-label .required {
    color: var(--error-color);
    margin-left: 4px;
    font-weight: 700;
}

.form-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* ============================================
   FORM VALIDATION STYLES
   ============================================ */

.form-control.is-invalid,
textarea.is-invalid,
.form-select.is-invalid {
    border-color: var(--error-color);
    background-image: none;
    padding-right: calc(1.5em + 16px);
}

.form-control.is-invalid:focus,
textarea.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: var(--error-color);
    box-shadow: 0 0 0 4px var(--error-shadow);
}

.invalid-feedback {
    display: block;
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 6px;
    font-weight: 500;
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
    border-color: var(--success-color);
    box-shadow: 0 0 0 4px var(--input-shadow-focus);
}

/* ============================================
   BUTTONS - ENHANCED STYLES
   ============================================ */

.btn {
    border-radius: var(--border-radius);
    padding: 12px 32px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:focus {
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.1);
    outline: none;
}

.btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, #3e3d6e 0%, #34325e 100%);
    color: #ffffff;
    border-color: #3e3d6e;
    box-shadow: 0 4px 15px rgba(62, 61, 110, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #34325e 0%, #2a295a 100%);
    box-shadow: 0 8px 25px rgba(62, 61, 110, 0.3);
    transform: translateY(-2px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(62, 61, 110, 0.2);
}

/* Success Button */
.btn-success {
    background: linear-gradient(135deg, #73c593 0%, #62b489 100%);
    color: #ffffff;
    border-color: #73c593;
    box-shadow: 0 4px 15px rgba(115, 197, 147, 0.3);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #62b489 0%, #52a378 100%);
    box-shadow: 0 8px 25px rgba(115, 197, 147, 0.4);
    transform: translateY(-2px);
}

.btn-success:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(115, 197, 147, 0.2);
}

/* Secondary Button */
.btn-secondary {
    background-color: #f3f4f6;
    color: #1f2937;
    border-color: #d1d5db;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #e5e7eb;
    border-color: #9ca3af;
}

/* ============================================
   FORM GROUPS & LAYOUT
   ============================================ */

.form-group {
    margin-bottom: 28px;
    position: relative;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.form-row.row-2 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.form-row.row-3 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ============================================
   SPINNER IMPROVEMENTS
   ============================================ */

.spinner-border {
    width: 18px !important;
    height: 18px !important;
    border-width: 2px !important;
    vertical-align: middle;
}

.spinner-border-sm {
    width: 14px !important;
    height: 14px !important;
    border-width: 2px !important;
}

/* ============================================
   DROPDOWN STYLING
   ============================================ */

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%233e3d6e' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-select:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%2373c593' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3E%3C/svg%3E");
}

/* ============================================
   TEXTAREA ENHANCEMENTS
   ============================================ */

textarea.form-control {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
    line-height: 1.5;
}

textarea.form-control:focus {
    resize: none;
}

/* ============================================
   CHECKBOX & RADIO IMPROVEMENTS
   ============================================ */

.form-check {
    margin-bottom: 12px;
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    border: 2px solid var(--input-border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.form-check-input:hover {
    border-color: var(--input-border-focus);
}

.form-check-input:checked {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.form-check-input:focus {
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 4px var(--input-shadow-focus);
}

.form-check-label {
    margin-left: 8px;
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
}

/* ============================================
   FORM SECTIONS
   ============================================ */

.form-section {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #e5e7eb;
}

.form-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.form-section-title {
    color: #3e3d6e;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .form-control,
    textarea,
    .form-select {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 12px 24px;
    }

    .form-row.row-2,
    .form-row.row-3 {
        grid-template-columns: 1fr;
    }

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

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

.form-control:focus-visible,
.btn:focus-visible {
    outline: 3px solid var(--input-border-focus);
    outline-offset: 2px;
}

/* Screen reader only text */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   FORM SUCCESS STATE
   ============================================ */

.form-success {
    background-color: rgba(115, 197, 147, 0.05);
    border: 2px solid var(--success-color);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 24px;
}

.form-success-message {
    color: #065f46;
    font-weight: 500;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-success-message i {
    font-size: 20px;
}

/* ============================================
   FORM ERROR STATE
   ============================================ */

.form-error {
    background-color: rgba(239, 68, 68, 0.05);
    border: 2px solid var(--error-color);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 24px;
}

.form-error-message {
    color: #7f1d1d;
    font-weight: 500;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-error-message i {
    font-size: 20px;
}

/* ============================================
   LOADING STATE
   ============================================ */

.form-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.btn.btn-loading {
    position: relative;
    color: transparent;
}

.btn.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================
   TOOLTIP & HELP TEXT
   ============================================ */

.form-help {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-help i {
    font-size: 14px;
    color: var(--success-color);
}

/* ============================================
   FIELDSET STYLING
   ============================================ */

fieldset {
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 28px;
}

legend {
    color: #3e3d6e;
    font-weight: 700;
    font-size: 1rem;
    padding: 0 8px;
    margin-bottom: 16px;
}

/* ============================================
   FORM WRAPPER STYLES
   ============================================ */

.form-wrapper {
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    padding: 50px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.form-wrapper:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .form-wrapper {
        padding: 30px 20px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    animation: fadeInUp 0.3s ease-out;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.form-loading {
    animation: pulse 1.5s ease-in-out infinite;
}