/* DESIGN SYSTEM & GLOBAL VARIABLES */
:root {
    --color-primary: #57C84D;
    --color-primary-hover: #4bb542;
    --color-primary-light: rgba(87, 200, 77, 0.08);
    --color-primary-ring: rgba(87, 200, 77, 0.25);
    --color-dark: #1F2937;
    --color-dark-light: #4B5563;
    --color-bg: #F9FAFB;
    --color-card-bg: #FFFFFF;
    --color-border: #E5E7EB;
    --color-border-hover: #D1D5DB;
    --color-error: #EF4444;
    --color-error-bg: rgba(239, 68, 68, 0.05);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 8px 20px -4px rgba(31, 41, 55, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(31, 41, 55, 0.1), 0 10px 10px -5px rgba(31, 41, 55, 0.04);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* RESET & BASE STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    background: radial-gradient(circle at 10% 20%, rgba(87, 200, 77, 0.08) 0%, transparent 45%),
                radial-gradient(circle at 90% 80%, rgba(251, 191, 36, 0.06) 0%, transparent 45%),
                radial-gradient(circle at 50% 50%, rgba(30, 41, 59, 0.05) 0%, transparent 60%),
                #DFE6EE; /* Soft slate blue representing logo's 'Doggy' text color */
    color: var(--color-dark);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    overflow-x: hidden;
    position: relative;
}

/* BACKGROUND DECORATION (PREMIUM GLASSMORPHISM GLOW) */
.bg-glow {
    position: fixed;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
}
.bg-glow-1 {
    top: -200px;
    right: -100px;
    background-color: var(--color-primary);
}
.bg-glow-2 {
    bottom: -200px;
    left: -100px;
    background-color: #2C3A4E; /* Slate blue matching logo 'Doggy' text */
}

/* CONTAINER & LAYOUT */
.container {
    width: 100%;
    max-width: 680px;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* HEADER STYLE */
.app-header {
    text-align: center;
    margin-bottom: 8px;
}
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 16px;
}
.logo-img {
    height: 140px;
    width: auto;
    object-fit: contain;
    border-radius: 50%;
    box-shadow: 0 8px 24px rgba(31, 41, 55, 0.08);
    transition: transform var(--transition-normal);
}
.logo-img:hover {
    transform: scale(1.03);
}
.subtitle {
    color: var(--color-dark-light);
    font-size: 1.1rem;
    font-weight: 500;
    max-width: 460px;
    margin: 0 auto;
}

/* FORM CARDS */
main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.form-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.form-card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}
.header-icon {
    font-size: 1.4rem;
}
.card-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-dark);
}

/* GRID LAYOUTS */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.form-grid:last-of-type {
    margin-bottom: 0;
}

/* FORM GROUPS & INPUTS */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
    position: relative;
}
.form-card > .form-group:last-child {
    margin-bottom: 0;
}

label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-dark);
}

input[type="text"],
input[type="tel"],
input[type="url"],
select,
textarea {
    width: 100%;
    height: 48px;
    padding: 10px 16px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-dark);
    background-color: #FFFFFF;
    border: 1.5px solid var(--color-border);
    border-radius: 12px;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

textarea {
    height: auto;
    resize: vertical;
    min-height: 100px;
    padding: 12px 16px;
}

input:hover,
select:hover,
textarea:hover {
    border-color: var(--color-border-hover);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-ring);
}

/* Custom Dropdown Styling */
.select-wrapper {
    position: relative;
    width: 100%;
}
.select-wrapper::after {
    content: "";
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 6px;
    background-color: var(--color-dark-light);
    clip-path: polygon(100% 0, 0 0, 50% 100%);
    pointer-events: none;
}
select {
    appearance: none;
    padding-right: 40px;
    cursor: pointer;
}

/* CUSTOM INTERACTIVE CHIPS */
.chips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip {
    background-color: #F3F4F6;
    color: var(--color-dark);
    border: 1.5px solid var(--color-border);
    border-radius: 12px;
    padding: 10px 18px;
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
}

.chip:hover {
    background-color: #E5E7EB;
    border-color: var(--color-border-hover);
}

.chip:focus-visible {
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.chip.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(87, 200, 77, 0.2);
}

/* CUSTOM CHECKBOX (KVKK) */
.checkbox-group {
    margin: 24px 0;
}
.custom-checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-dark-light);
    cursor: pointer;
    user-select: none;
    position: relative;
}
.custom-checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}
.checkmark {
    position: relative;
    top: 2px;
    flex-shrink: 0;
    height: 20px;
    width: 20px;
    background-color: #FFFFFF;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    transition: all var(--transition-fast);
}
.custom-checkbox-container:hover input ~ .checkmark {
    border-color: var(--color-border-hover);
}
.custom-checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 2px 6px rgba(87, 200, 77, 0.15);
}
.checkmark::after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.custom-checkbox-container input:checked ~ .checkmark::after {
    display: block;
}
.custom-checkbox-container input:focus-visible ~ .checkmark {
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}
.checkbox-text a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: border-bottom 0.15s ease;
    border-bottom: 1px dashed transparent;
}
.checkbox-text a:hover {
    border-bottom-color: var(--color-primary);
}

/* VALIDATION ERROR STYLES */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: var(--color-error);
    background-color: var(--color-error-bg);
}
.form-group.has-error .chip {
    border-color: var(--color-error);
}
.form-group.has-error .checkmark {
    border-color: var(--color-error);
}
.error-msg {
    color: var(--color-error);
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 4px;
    display: none;
}
.form-group.has-error .error-msg {
    display: block;
    animation: slideDown 0.2s ease forwards;
}

/* SUBMIT BUTTON */
.btn-submit {
    width: 100%;
    height: 54px;
    background-color: var(--color-primary);
    color: #FFFFFF;
    border: none;
    border-radius: 14px;
    font-family: var(--font-main);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(87, 200, 77, 0.25);
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn-submit:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(87, 200, 77, 0.35);
}

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

.btn-submit:focus-visible {
    box-shadow: 0 0 0 4px var(--color-primary-ring);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* CSS Loader inside Button */
.btn-loader {
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #FFFFFF;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

.hidden {
    display: none !important;
}

/* FOOTER */
.app-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
    color: var(--color-dark-light);
    font-size: 0.85rem;
    font-weight: 500;
}
.footer-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}
.footer-link {
    color: var(--color-dark-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-link:hover {
    color: var(--color-primary);
}
.footer-divider {
    color: var(--color-border);
}
.contact-icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2.5;
    vertical-align: middle;
    display: inline-block;
    transition: transform var(--transition-fast);
}
.footer-link:hover .contact-icon {
    transform: scale(1.15) rotate(-5deg);
}


/* MODALS LAYOUT */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(31, 41, 85, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 28px;
    padding: 40px;
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
    transform: translateY(0) scale(1);
}

/* KVKK Modal Specifics */
.kvkk-modal-card {
    max-width: 600px;
    text-align: left;
}
.kvkk-content {
    max-height: 300px;
    overflow-y: auto;
    margin: 20px 0;
    padding-right: 8px;
    font-size: 0.875rem;
    color: var(--color-dark-light);
}
.kvkk-content p {
    margin-bottom: 12px;
}
.kvkk-content::-webkit-scrollbar {
    width: 6px;
}
.kvkk-content::-webkit-scrollbar-track {
    background: #F3F4F6;
    border-radius: 3px;
}
.kvkk-content::-webkit-scrollbar-thumb {
    background: #D1D5DB;
    border-radius: 3px;
}

/* Success Icon Checkmark SVG Animation */
.success-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
}
.success-svg {
    width: 80px;
    height: 80px;
    stroke: var(--color-primary);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.success-circle {
    stroke-dasharray: 157;
    stroke-dashoffset: 157;
    animation: drawCircle 0.6s ease forwards;
}
.success-check {
    stroke-dasharray: 36;
    stroke-dashoffset: 36;
    animation: drawCheck 0.4s 0.5s ease forwards;
}

/* Modal text and description */
.modal-card h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.modal-description {
    color: var(--color-dark-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 24px;
}



/* Button close modal */
.btn-modal-close {
    width: 100%;
    height: 48px;
    background-color: var(--color-dark);
    color: #FFFFFF;
    border: none;
    border-radius: 12px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.btn-modal-close:hover {
    background-color: #111827;
}



/* TOAST NOTIFICATIONS */
.toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1001;
    pointer-events: none;
}

.toast {
    background-color: #1F2937;
    color: #FFFFFF;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    animation: toastIn 0.3s forwards, toastOut 0.3s 2.7s forwards;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* KEYFRAMES ANIMATIONS */
@keyframes tailWag {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(15deg); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

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

@keyframes toastIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes toastOut {
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(87, 200, 77, 0.4);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(87, 200, 77, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(87, 200, 77, 0);
    }
}

/* RESPONSIVE DESIGN (MOBILE ADAPTIVE) */
@media (max-width: 640px) {
    .container {
        padding: 20px 12px;
        gap: 20px;
    }
    .logo-img {
        height: 100px;
    }
    .subtitle {
        font-size: 0.95rem;
    }
    
    .form-card {
        padding: 20px 16px;
        border-radius: 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .card-header {
        margin-bottom: 16px;
        padding-bottom: 12px;
    }
    
    .chips-container {
        gap: 8px;
    }
    
    .chip {
        padding: 8px 14px;
        font-size: 0.85rem;
        flex-grow: 1;
        text-align: center;
    }
    
    .settings-drawer {
        width: 100%;
        right: -100%;
    }
    
    .modal-card {
        padding: 30px 20px;
    }
}