/* ==========================================================================
   Ev Pro — Component & Page Styles
   Auth layout, card, inputs, buttons, checkbox, theme toggle
   ========================================================================== */

/* ==========================================================================
   Page & Layout
   ========================================================================== */

.av-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--av-space-2xl);
    background-color: var(--av-color-bg);
    transition: background-color var(--av-transition);
}

.av-container {
    width: 100%;
    max-width: var(--av-max-width-auth);
    margin: 0 auto;
}

.av-container--centered {
    display: flex;
    justify-content: center;
}

/* Theme toggle wrapper — fixed at top-right, always accessible */
.av-theme-wrapper {
    position: fixed;
    top: var(--av-space-xl);
    right: var(--av-space-xl);
    z-index: 100;
}

/* ==========================================================================
   Auth Card
   ========================================================================== */

.av-card {
    background-color: var(--av-color-card);
    border: 1px solid var(--av-color-card-border);
    border-radius: var(--av-radius-lg);
    box-shadow: var(--av-shadow-lg);
    padding: 2.5rem;
    width: 100%;
    transition: background-color var(--av-transition),
                border-color var(--av-transition),
                box-shadow var(--av-transition);
}

.av-card__logo {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.av-logo {
    width: 96px;
    height: auto;
    display: block;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.04));
    transition: filter var(--av-transition);
}

/* ==========================================================================
   Auth Header / Footer
   ========================================================================== */

.av-auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.av-auth-title {
    font-size: var(--av-font-size-2xl);
    font-weight: var(--av-font-weight-bold);
    color: var(--av-color-text);
    margin-bottom: 0.5rem;
    line-height: var(--av-line-height-tight);
}

.av-auth-subtitle {
    font-size: var(--av-font-size-sm);
    color: var(--av-color-text-secondary);
    line-height: var(--av-line-height-normal);
}

.av-auth-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.av-auth-footer__text {
    font-size: var(--av-font-size-sm);
    color: var(--av-color-text-secondary);
}

/* ==========================================================================
   Form
   ========================================================================== */

.av-form {
    display: flex;
    flex-direction: column;
}

.av-form__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--av-space-md);
    margin-bottom: 1.25rem;
}

.av-form-errors {
    background-color: var(--av-color-error-bg);
    border: 1px solid var(--av-color-error-border);
    border-radius: var(--av-radius-md);
    padding: 0.875rem 1rem;
    margin-bottom: 1.25rem;
}

.av-form-errors__list {
    list-style: disc inside;
    color: var(--av-color-error);
    font-size: var(--av-font-size-sm);
    line-height: var(--av-line-height-normal);
}

.av-form-errors__list li {
    margin-bottom: 0.25rem;
}

.av-notice {
    background-color: rgba(59, 130, 246, 0.07);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--av-radius-md);
    padding: 0.75rem 1rem;
    font-size: var(--av-font-size-sm);
    color: var(--av-color-text-secondary);
    margin-bottom: 1.25rem;
    text-align: center;
    line-height: var(--av-line-height-normal);
}

/* ==========================================================================
   Input Fields
   ========================================================================== */

.av-field {
    margin-bottom: 1.25rem;
}

.av-field__label {
    display: block;
    font-size: var(--av-font-size-sm);
    font-weight: var(--av-font-weight-medium);
    color: var(--av-color-text-secondary);
    margin-bottom: 0.375rem;
}

.av-field__required {
    color: var(--av-color-error);
    margin-left: 2px;
}

.av-input {
    width: 100%;
    height: 44px;
    padding: 0 0.875rem;
    font-size: var(--av-font-size-base);
    font-weight: var(--av-font-weight-regular);
    color: var(--av-color-text);
    background-color: var(--av-color-input-bg);
    border: 1.5px solid var(--av-color-border);
    border-radius: var(--av-radius-md);
    outline: none;
    transition: border-color var(--av-transition-fast),
                box-shadow var(--av-transition-fast),
                background-color var(--av-transition-fast);
}

.av-input:focus {
    border-color: var(--av-color-border-focus);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
}

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

.av-input--error:focus {
    border-color: var(--av-color-error);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.av-input::placeholder {
    color: var(--av-color-text-tertiary);
    opacity: 0.7;
}

.av-input__wrapper {
    position: relative;
    display: flex;
    align-items: stretch;
}

/* Padding-right on input to make room for the toggle button */
.av-input--with-icon {
    padding-right: 3.25rem;
}

.av-input__icon {
    position: absolute;
    right: 0.375rem;
    top: 50%;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--av-color-text-secondary);
    cursor: pointer;
    padding: 0;
    transition: color var(--av-transition-fast);
    z-index: 2;
}

.av-input__icon:hover {
    color: var(--av-color-primary);
}

.av-input__eye {
    display: flex;
    align-items: center;
    justify-content: center;
}

.av-input__eye--closed {
    display: none;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.av-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-size: var(--av-font-size-base);
    font-weight: var(--av-font-weight-semibold);
    border-radius: var(--av-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    padding: 0.75rem 1.5rem;
    transition: background-color var(--av-transition-fast),
                border-color var(--av-transition-fast),
                opacity var(--av-transition-fast),
                transform var(--av-transition-fast);
}

.av-btn--primary {
    background-color: var(--av-color-primary);
    color: #ffffff;
    border-color: var(--av-color-primary);
}

.av-btn--primary:hover {
    background-color: var(--av-color-primary-hover);
    border-color: var(--av-color-primary-hover);
}

.av-btn--primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.18);
}

.av-btn--primary:active {
    background-color: var(--av-color-primary-active);
    transform: scale(0.98);
}

.av-btn--block {
    width: 100%;
}

.av-btn:disabled,
.av-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ==========================================================================
   Checkbox
   ========================================================================== */

.av-checkbox-field {
    margin-bottom: 1.25rem;
}

.av-checkbox {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
}

.av-checkbox__input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.av-checkbox__input:focus + .av-checkbox__checkmark {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.av-checkbox__input--error:focus + .av-checkbox__checkmark {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.av-checkbox__checkmark {
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    background-color: var(--av-color-input-bg);
    border: 1.5px solid var(--av-color-border);
    border-radius: var(--av-radius-sm);
    transition: background-color var(--av-transition-fast),
                border-color var(--av-transition-fast),
                box-shadow var(--av-transition-fast);
}

.av-checkbox__input:checked + .av-checkbox__checkmark {
    background-color: var(--av-color-primary);
    border-color: var(--av-color-primary);
}

.av-checkbox__input:checked + .av-checkbox__checkmark::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid #ffffff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    display: block;
}

.av-checkbox__label {
    display: inline-flex;
    align-items: center;
    margin-left: 0.625rem;
    font-size: var(--av-font-size-sm);
    color: var(--av-color-text-secondary);
    cursor: pointer;
    line-height: 1.5;
}

.av-checkbox-field .av-field__error {
    margin-left: 1.625rem;
    margin-top: 0.25rem;
}

/* ==========================================================================
   Theme Toggle
   ========================================================================== */

.av-theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 52px;
    height: 28px;
    padding: 0 4px;
    border-radius: 28px;
    background: var(--av-color-toggle-bg);
    border: 1px solid var(--av-color-border);
    cursor: pointer;
    outline: none;
    transition: background var(--av-transition-fast),
                border-color var(--av-transition-fast);
    flex-shrink: 0;
}

.av-theme-toggle:focus {
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.35);
}

.av-theme-toggle__rail {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.av-theme-toggle__sun,
.av-theme-toggle__moon {
    font-size: 14px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.4;
    transition: opacity var(--av-transition-fast),
                color var(--av-transition-fast);
    pointer-events: none;
}

.av-theme-toggle[data-theme="light"] .av-theme-toggle__sun {
    opacity: 1;
    color: #f59e0b;
}

.av-theme-toggle[data-theme="dark"] .av-theme-toggle__moon {
    opacity: 1;
    color: #38bdf8;
}

.av-theme-toggle__knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--av-color-card);
    box-shadow: var(--av-shadow-sm);
    transition: transform var(--av-transition),
                background var(--av-transition-fast);
    z-index: 1;
}

.av-theme-toggle[data-theme="dark"] .av-theme-toggle__knob {
    transform: translateX(24px);
}

/* ==========================================================================
   Dark mode focus-ring overrides
   ========================================================================== */

:root[data-theme="dark"] .av-btn--primary:focus,
:root[data-theme="dark"] .av-input:focus,
:root[data-theme="dark"] .av-theme-toggle:focus {
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.4);
}

:root[data-theme="dark"] .av-input--error:focus {
    box-shadow: 0 0 0 3px rgba(252, 165, 165, 0.3);
}

:root[data-theme="dark"] .av-checkbox__input:focus + .av-checkbox__checkmark {
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.4);
}

/* Dark mode: bright brand green needs dark label text for contrast */
:root[data-theme="dark"] .av-btn--primary {
    color: #052e16;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 768px) {
    .av-page {
        padding: var(--av-space-xl);
    }

    .av-theme-wrapper {
        top: var(--av-space-md);
        right: var(--av-space-md);
    }

    .av-card {
        padding: 2rem;
    }

    .av-card__logo {
        margin-bottom: 1.5rem;
    }

    .av-logo {
        width: 72px;
    }

    .av-auth-title {
        font-size: var(--av-font-size-xl);
    }

    .av-input {
        height: 42px;
    }

    .av-input--with-icon {
        padding-right: 3rem;
    }

    .av-input__icon {
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 480px) {
    .av-page {
        padding: var(--av-space-md);
    }

    .av-theme-wrapper {
        top: var(--av-space-sm);
        right: var(--av-space-sm);
    }

    .av-card {
        padding: 1.5rem;
    }

    .av-logo {
        width: 60px;
    }

    .av-auth-title {
        font-size: var(--av-font-size-lg);
    }

    .av-form__row {
        flex-direction: column;
        align-items: flex-start;
    }

    .av-link {
        font-size: var(--av-font-size-sm);
    }
}