/* Auth ekranı: giriş ve kayıt aynı ürün akışı içinde. */

:root {
    --auth-white: #FFFFFF;
    --auth-black: #0A0A0A;
    --auth-gray-50: #FAFAFA;
    --auth-gray-100: #F4F4F5;
    --auth-gray-200: #E4E4E7;
    --auth-gray-300: #D4D4D8;
    --auth-gray-400: #A1A1AA;
    --auth-gray-500: #71717A;
    --auth-gray-600: #52525B;
    --auth-gray-700: #3F3F46;
    --auth-gray-800: #27272A;
    --auth-danger: #DC2626;
    --auth-success: #16A34A;
    --auth-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --auth-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
    --auth-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --auth-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    overflow-x: hidden;
}

.auth-page {
    min-height: 100vh;
    font-family: var(--auth-font);
    font-size: 14px;
    line-height: 1.6;
    background:
        linear-gradient(90deg, rgba(10, 10, 10, 0.04) 1px, transparent 1px),
        linear-gradient(rgba(10, 10, 10, 0.04) 1px, transparent 1px),
        var(--auth-gray-50);
    background-size: 72px 72px;
    color: var(--auth-black);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.auth-page a {
    color: var(--auth-black);
    text-decoration: none;
    transition: color var(--auth-transition);
}

.auth-page a:hover {
    color: var(--auth-gray-800);
    text-decoration: underline;
}

.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
}

.auth-alert--error {
    border: 1px solid rgba(220, 38, 38, 0.22);
    background: rgba(220, 38, 38, 0.07);
    color: #991b1b;
}

.auth-alert--success {
    border: 1px solid rgba(22, 163, 74, 0.22);
    background: rgba(22, 163, 74, 0.08);
    color: #166534;
}

.auth-field {
    margin-bottom: 18px;
}

.auth-label {
    display: block;
    margin-bottom: 7px;
    color: var(--auth-gray-700);
    font-size: 13px;
    font-weight: 700;
}

.auth-input-wrap {
    position: relative;
}

.auth-input-wrap .auth-input {
    padding-left: 38px;
}

.auth-input-wrap > i {
    position: absolute;
    top: 50%;
    left: 13px;
    z-index: 1;
    color: var(--auth-gray-400);
    font-size: 14px;
    pointer-events: none;
    transform: translateY(-50%);
    transition: color var(--auth-transition);
}

.auth-input-wrap:focus-within > i {
    color: var(--auth-black);
}

.auth-input {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1.5px solid var(--auth-gray-300);
    border-radius: 6px;
    background: var(--auth-white);
    color: var(--auth-black);
    font: inherit;
    font-size: 14px;
    outline: 0;
    transition: border-color var(--auth-transition), box-shadow var(--auth-transition);
}

.auth-input:hover {
    border-color: var(--auth-gray-400);
}

.auth-input:focus {
    border-color: var(--auth-black);
    box-shadow: 0 0 0 3px rgba(10, 10, 10, 0.08);
}

.auth-input::placeholder {
    color: var(--auth-gray-400);
}

.auth-checkbox {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--auth-gray-700);
    font-size: 13px;
    user-select: none;
}

.auth-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    border: 1.5px solid var(--auth-gray-300);
    border-radius: 4px;
    background: var(--auth-white);
    appearance: none;
    cursor: pointer;
    position: relative;
    transition: background var(--auth-transition), border-color var(--auth-transition);
}

.auth-checkbox input[type="checkbox"]:checked {
    background: var(--auth-black);
    border-color: var(--auth-black);
}

.auth-checkbox input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid var(--auth-white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.auth-submit-btn {
    width: 100%;
    min-height: 44px;
    margin-top: 8px;
    padding: 11px 18px;
    border: 1px solid var(--auth-black);
    border-radius: 6px;
    background: var(--auth-black);
    color: var(--auth-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font: inherit;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    position: relative;
    transition: background var(--auth-transition), border-color var(--auth-transition), transform var(--auth-transition), box-shadow var(--auth-transition);
}

.auth-submit-btn:hover {
    background: var(--auth-gray-800);
    border-color: var(--auth-gray-800);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.auth-submit-btn:active {
    transform: scale(0.98);
}

.auth-submit-btn.is-loading {
    color: transparent;
    pointer-events: none;
}

.auth-submit-btn.is-loading span {
    opacity: 0;
}

.auth-submit-btn.is-loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: var(--auth-white);
    border-radius: 50%;
    animation: auth-spin 0.65s linear infinite;
}

.auth-muted-link {
    color: var(--auth-gray-500);
    font-size: 13px;
    font-weight: 700;
}

.auth-muted-link:hover {
    color: var(--auth-black);
}

.auth-shell {
    width: min(1180px, calc(100% - 40px));
    min-height: 100vh;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(380px, 460px);
    gap: 48px;
    align-items: center;
    padding: 48px 0;
}

.auth-story {
    min-height: 620px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 38px;
    border: 1px solid var(--auth-gray-200);
    border-radius: 8px;
    background:
        linear-gradient(rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.9)),
        url('../../img/mdnote-hero-workspace.webp') center / cover no-repeat;
    box-shadow: var(--auth-shadow-lg);
    overflow: hidden;
}

.auth-home-link {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--auth-black);
    font-weight: 800;
    text-decoration: none;
}

.auth-logo {
    width: 56px;
    height: 56px;
    background: var(--auth-black);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--auth-white);
    flex-shrink: 0;
}

.auth-logo i {
    font-size: 22px;
}

.auth-logo--small {
    width: 38px;
    height: 38px;
}

.auth-logo--small i {
    font-size: 16px;
}

.auth-story__content {
    max-width: 620px;
}

.auth-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 12px;
    font-weight: 800;
    color: #0f766e;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.auth-story h1 {
    max-width: 10ch;
    font-size: 58px;
    line-height: 0.98;
    letter-spacing: 0;
    margin-bottom: 20px;
}

.auth-story p {
    max-width: 520px;
    color: var(--auth-gray-700);
    font-size: 17px;
}

.auth-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    padding-top: 18px;
    border-top: 1px solid rgba(10, 10, 10, 0.14);
}

.auth-proof div {
    min-height: 64px;
}

.auth-proof strong,
.auth-proof span {
    display: block;
}

.auth-proof strong {
    font-size: 18px;
    margin-bottom: 4px;
}

.auth-proof span {
    color: var(--auth-gray-600);
    font-size: 12px;
    line-height: 1.4;
}

.auth-card {
    background: var(--auth-white);
    border: 1px solid var(--auth-gray-200);
    border-radius: 8px;
    padding: 34px;
    box-shadow: var(--auth-shadow-lg);
}

.auth-brand {
    text-align: center;
    margin-bottom: 24px;
}

.auth-brand .auth-logo {
    margin-bottom: 16px;
}

.auth-brand h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--auth-black);
    letter-spacing: 0;
    margin-bottom: 6px;
}

.auth-brand p {
    font-size: 14px;
    color: var(--auth-gray-500);
}

.auth-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    padding: 4px;
    margin-bottom: 22px;
    border: 1px solid var(--auth-gray-200);
    border-radius: 8px;
    background: var(--auth-gray-50);
}

.auth-tabs a {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 6px;
    color: var(--auth-gray-600);
    font-weight: 700;
    font-size: 13px;
    text-decoration: none;
}

.auth-tabs a.is-active {
    background: var(--auth-black);
    color: var(--auth-white);
    box-shadow: var(--auth-shadow-sm);
}

.auth-error-list {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
    padding: 12px;
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: 8px;
    background: rgba(220, 38, 38, 0.06);
    color: var(--auth-danger);
    font-size: 12px;
}

.auth-error-list div {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.auth-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.auth-password-input {
    padding-right: 44px;
}

.auth-password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 0;
    color: var(--auth-gray-400);
    cursor: pointer;
    transition: color var(--auth-transition);
}

.auth-password-toggle:hover {
    color: var(--auth-black);
}

.auth-remember-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 4px;
}

.auth-forgot-link {
    color: var(--auth-gray-600);
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
}

.auth-forgot-link:hover {
    color: var(--auth-black);
}

.auth-check {
    align-items: flex-start;
    margin: 2px 0 18px;
    line-height: 1.45;
}

.auth-check a {
    font-weight: 700;
}

.auth-secondary-panel {
    display: grid;
    gap: 12px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--auth-gray-100);
}

.auth-secondary-panel strong,
.auth-secondary-panel span {
    display: block;
}

.auth-secondary-panel strong {
    margin-bottom: 3px;
    color: var(--auth-black);
    font-size: 13px;
}

.auth-secondary-panel span {
    color: var(--auth-gray-500);
    font-size: 12px;
    line-height: 1.45;
}

.auth-resend-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: start;
}

.auth-secondary-btn {
    min-height: 44px;
    padding: 10px 13px;
    border: 1px solid var(--auth-gray-300);
    border-radius: 6px;
    background: var(--auth-white);
    color: var(--auth-black);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color var(--auth-transition), background var(--auth-transition), color var(--auth-transition);
}

.auth-secondary-btn:hover {
    border-color: var(--auth-black);
    background: var(--auth-black);
    color: var(--auth-white);
}

.auth-footer {
    text-align: center;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--auth-gray-100);
}

.auth-footer--split {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.auth-security {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin-top: 18px;
    color: var(--auth-gray-500);
    font-size: 11px;
    text-align: center;
}

.auth-security i {
    color: #16a34a;
}

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

@media (max-width: 980px) {
    .auth-shell {
        grid-template-columns: 1fr;
        width: min(560px, calc(100% - 28px));
        gap: 22px;
    }

    .auth-story {
        min-height: auto;
        padding: 24px;
        gap: 42px;
    }

    .auth-story h1 {
        max-width: 12ch;
        font-size: 40px;
    }

    .auth-story p {
        font-size: 15px;
    }
}

@media (max-width: 560px) {
    .auth-shell {
        width: min(100% - 20px, 480px);
        padding: 18px 0;
    }

    .auth-story {
        display: none;
    }

    .auth-card {
        padding: 24px 18px;
    }

    .auth-form-grid,
    .auth-proof {
        grid-template-columns: 1fr;
    }

    .auth-tabs a span,
    .auth-forgot-link,
    .auth-secondary-btn span,
    .auth-security span {
        overflow-wrap: anywhere;
    }

    .auth-remember-row,
    .auth-footer--split,
    .auth-resend-form {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
    }

    .auth-forgot-link,
    .auth-footer--split {
        text-align: left;
    }

    .auth-forgot-link {
        white-space: normal;
    }

    .auth-secondary-btn {
        width: 100%;
        white-space: normal;
    }
}