/**
 * Modern Button Styles
 * Applied when card_style = 'modern' (Mega/Kaiali)
 * Features: Gradient backgrounds, rounded corners, glow effects
 */

:root {
    /* Primary Button Variables - Modern */
    --primary-button-bg: linear-gradient(
        135deg,
        var(--color-primary-500) 0%,
        var(--color-primary-600) 100%
    );
    --primary-button-text: white;
    --primary-button-hover-bg: linear-gradient(
        135deg,
        var(--color-primary-400) 0%,
        var(--color-primary-500) 100%
    );
    --primary-button-active-bg: linear-gradient(
        135deg,
        var(--color-primary-600) 0%,
        var(--color-primary-700) 100%
    );
    --primary-button-shadow: 0 4px 15px rgba(var(--color-primary-500-rgb), 0.3);
    --primary-button-hover-shadow: 0 6px 25px
        rgba(var(--color-primary-500-rgb), 0.45);
    --primary-button-disabled-bg: var(--color-gray-400);

    /* Secondary Button Variables - Modern */
    --secondary-button-bg: transparent;
    --secondary-button-text: var(--color-gray-700);
    --secondary-button-border: var(--color-gray-300);
    --secondary-button-hover-bg: var(--color-gray-100);
    --secondary-button-hover-border: var(--color-gray-400);

    /* Logout Button Variables - Modern */
    --logout-button-bg: linear-gradient(
        135deg,
        var(--color-red-500) 0%,
        var(--color-red-600) 100%
    );
    --logout-button-text: white;
    --logout-button-hover-bg: linear-gradient(
        135deg,
        var(--color-red-400) 0%,
        var(--color-red-500) 100%
    );
    --logout-button-shadow: 0 4px 15px rgba(var(--color-red-500-rgb), 0.3);
}

html.dark {
    --primary-button-bg: linear-gradient(
        135deg,
        var(--color-primary-500) 0%,
        var(--color-primary-600) 100%
    );
    --primary-button-hover-bg: linear-gradient(
        135deg,
        var(--color-primary-400) 0%,
        var(--color-primary-500) 100%
    );
    --primary-button-shadow: 0 4px 20px rgba(var(--color-primary-500-rgb), 0.4);
    --primary-button-hover-shadow: 0 8px 30px
        rgba(var(--color-primary-500-rgb), 0.5);
    --primary-button-disabled-bg: var(--color-gray-600);

    --secondary-button-text: var(--color-gray-300);
    --secondary-button-border: var(--color-gray-600);
    --secondary-button-hover-bg: var(--color-gray-800);
    --secondary-button-hover-border: var(--color-gray-500);
}

/* ============================================
   PRIMARY BUTTON - MODERN
   ============================================ */

.btn-custom-primary,
a.btn-custom-primary {
    font-size: var(--font-size-base) !important;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.75rem;
    background: var(--primary-button-bg);
    color: var(--primary-button-text) !important;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--primary-button-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-align: center;
    direction: rtl;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

/* Shine effect on hover */
.btn-custom-primary::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-custom-primary:hover::before {
    left: 100%;
}

.btn-custom-primary:hover,
a.btn-custom-primary:hover {
    background: var(--primary-button-hover-bg);
    box-shadow: var(--primary-button-hover-shadow);
    transform: translateY(-2px);
    color: var(--primary-button-text) !important;
    text-decoration: none;
}

.btn-custom-primary:active,
a.btn-custom-primary:active {
    background: var(--primary-button-active-bg);
    transform: translateY(0);
    box-shadow: var(--primary-button-shadow);
}

.btn-custom-primary:focus,
a.btn-custom-primary:focus {
    outline: none;
    box-shadow:
        var(--primary-button-shadow),
        0 0 0 3px rgba(var(--color-primary-500-rgb), 0.3);
}

/* Disabled state */
.btn-custom-primary:disabled,
a.btn-custom-primary.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
    background: var(--primary-button-disabled-bg);
    transform: none;
}

/* Icon styling */
.btn-custom-primary i,
.btn-custom-primary svg,
a.btn-custom-primary i,
a.btn-custom-primary svg {
    font-size: 1.1em;
    color: inherit;
    transition: transform 0.3s ease;
}

.btn-custom-primary:hover i,
.btn-custom-primary:hover svg {
    transform: scale(1.15);
}

/* ============================================
   SECONDARY BUTTON - MODERN
   ============================================ */

.btn-custom-secondary,
a.btn-custom-secondary {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    background: var(--secondary-button-bg);
    color: var(--secondary-button-text) !important;
    border-radius: 50px;
    font-weight: 600;
    border: 2px solid var(--secondary-button-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-align: center;
    direction: rtl;
    outline: none;
}

.btn-custom-secondary:hover,
a.btn-custom-secondary:hover {
    background: var(--secondary-button-hover-bg);
    border-color: var(--secondary-button-hover-border);
    color: var(--secondary-button-text) !important;
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-custom-secondary:active,
a.btn-custom-secondary:active {
    transform: translateY(0);
}

.btn-custom-secondary:focus,
a.btn-custom-secondary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--color-gray-500-rgb), 0.2);
}

/* Disabled state */
.btn-custom-secondary:disabled,
a.btn-custom-secondary.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   LOGOUT BUTTON - MODERN
   ============================================ */

.btn-custom-logout,
a.btn-custom-logout {
    font-size: var(--font-size-base) !important;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.75rem;
    background: var(--logout-button-bg);
    color: var(--logout-button-text) !important;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--logout-button-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-align: center;
    direction: rtl;
    border: none;
    outline: none;
}

.btn-custom-logout:hover,
a.btn-custom-logout:hover {
    background: var(--logout-button-hover-bg);
    box-shadow: 0 6px 25px rgba(var(--color-red-500-rgb), 0.45);
    transform: translateY(-2px);
    color: var(--logout-button-text) !important;
    text-decoration: none;
}

.btn-custom-logout:active,
a.btn-custom-logout:active {
    transform: translateY(0);
}

.btn-custom-logout i,
.btn-custom-logout svg {
    color: inherit;
    transition: transform 0.3s ease;
}

.btn-custom-logout:hover i,
.btn-custom-logout:hover svg {
    transform: scale(1.15);
}

/* ============================================
   UI BUTTON (Filter buttons) - MODERN
   ============================================ */

.ui-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: rgba(var(--color-gray-100-rgb), 0.8);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
    border-radius: 25px;
    font-weight: 500;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

html.dark .ui-button {
    background: rgba(var(--color-gray-800-rgb), 0.8);
    color: var(--color-gray-300);
    border-color: var(--color-gray-700);
}

.ui-button:hover {
    background: rgba(var(--color-gray-200-rgb), 0.9);
    border-color: var(--color-gray-300);
    transform: translateY(-1px);
}

html.dark .ui-button:hover {
    background: rgba(var(--color-gray-700-rgb), 0.9);
    border-color: var(--color-gray-600);
}

.ui-button.filter-active {
    background: linear-gradient(
        135deg,
        rgba(var(--color-primary-500-rgb), 0.15) 0%,
        rgba(var(--color-primary-600-rgb), 0.1) 100%
    ) !important;
    border-color: var(--color-primary-400) !important;
    color: var(--color-primary-700) !important;
    box-shadow: 0 2px 10px rgba(var(--color-primary-500-rgb), 0.2);
}

html.dark .ui-button.filter-active {
    background: linear-gradient(
        135deg,
        rgba(var(--color-primary-500-rgb), 0.25) 0%,
        rgba(var(--color-primary-600-rgb), 0.15) 100%
    ) !important;
    color: var(--color-primary-300) !important;
}

/* ============================================
   SUBMIT BUTTON (Form) - MODERN
   ============================================ */

.form-container .submit-btn {
    background: linear-gradient(
        135deg,
        var(--color-primary-500) 0%,
        var(--color-primary-600) 100%
    );
    color: white;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    max-width: 20rem;
    margin: 1rem auto 0;
    display: block;
    text-align: center;
    box-shadow: 0 4px 15px rgba(var(--color-primary-500-rgb), 0.3);
}

.form-container .submit-btn:hover {
    background: linear-gradient(
        135deg,
        var(--color-primary-400) 0%,
        var(--color-primary-500) 100%
    );
    box-shadow: 0 6px 25px rgba(var(--color-primary-500-rgb), 0.4);
    transform: translateY(-2px);
}

.form-container .submit-btn:disabled {
    background: var(--color-gray-400);
    color: var(--color-gray-600);
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
    transform: none;
}

html.dark .form-container .submit-btn:disabled {
    background: var(--color-gray-600);
    color: var(--color-gray-400);
}

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

@media (max-width: 576px) {
    .btn-custom-primary,
    a.btn-custom-primary,
    .btn-custom-logout,
    a.btn-custom-logout {
        padding: 0.65rem 1.5rem;
        font-size: 0.9rem !important;
    }

    .btn-custom-secondary,
    a.btn-custom-secondary {
        padding: 0.6rem 1.25rem;
    }

    .ui-button {
        padding: 0.5rem 1rem;
        font-size: calc(var(--text-sm) * 0.95);
    }
}